Question Papers
MCA 40112
MCA Degree Examinations-September,2014
(Regulation 2012-13)
(Examination at the of IV semester)
Paper-II: Web Technologies
MCA Degree Examinations-September,2014
(Regulation 2012-13)
(Examination at the of IV semester)
Paper-II: Web Technologies
Time: 3
hours
Maximum marks:70
Answer all Questions.
All questions carry equal marks
UNIT-I
1.a) What is
Internet? Give the uses of internet.
b) Describe
different Browser features. Name any 4 browsers.
OR
2.a) Write short notes
on i. SMTP ii.FTP.
b)
Differentiate between Domain Name System.
UNIT-II
3.a) Write short notes
on Byte Streams.
b) How will
you create hyperlinks in web documents? Discuss
on different attributes of creating a hyperlink. Make use
of
External and Internal links.
OR
4.a) Write a
program to illustrate Data Reading from the socket
and writing to the socket.
b) Create a web page for
the following
WELCOME TO XYZ COLLEGE OF ENGINEERING STUDENT
DETAILS
S.NO
|
SName
|
Branch
|
SEM
|
Marks
|
M1
M2 M3
|
||||
UNIT-III
5 a) What is array? How
do you declare array in VB Script?
Write VB Script program to find Maximum of n numbers.
b) Explain
the methods supported by Date ,Math ,String
objects in java script.
OR
6 a)How do VB script
different from java script.
B)what is
Document object model.Explain various object in DOM
UNIT-iV
7. a)create a small XML
file designed to contain information about student performance on a module.Each
student has a name,a roll no,subject marks and total marks.Creted a DTD
capturing the above
document.
b)write short notes on
i.inline
style ii)External
style iii)Embedded stylesheet
OR
8. a)write short notes
on XSL Transformations.
b)Differentiate the use of class and ID parameaters in creating style in the
web pages.
c)what are the component technologies of DHTM.
UNIT-V
9. a)write a session
tracker to track the number of users hitting
a web page.
b)
Explain about jsp directives.
OR
10) a)write short notes
on Switch,IF,FOR,DO while,selects constructs in ASP with an example for each
construct.
b)
write a Servlet that checks the username =”prateek” and password
=”fanstastic’. If found correct call second servlet and display Welcome
username message if wrong display the login page again.
(MCA
20512)
M.C.A.DEGREE EXAMINATION SEPTEMBER 2013
(Examination at the end of second semester)
Paper-V-PROBABILITY AND STATISTICS
(Regulation 2012-2013)
Time:3 hours Maximun:70marks
Answer ONE Question from each section.
All Question carry equal marks.
1.a) Let X be a
continues random variable with probability
density function f(x)=λe^-λx ,x≥0,determine E(
).
).
b) A random
variable x has the cdf
Find (i) P(100≤X≤200)
(ii)P(X≥300)
Or
2.a) state and prove
Bayes theorem
b) Box A
contains 5 red and 3 white balls and Box B contains 2 red
and 6 white .A ball is drawn from each Box .What is the probability
that they have same color
3. a) What is
probability of rolling 2 sixes and 3 non sixes in 5
Independent casts of a fair die?
b) Let X
have poison distribution with parameter λ=1 what is the
probability x≥2 Given that x≤4?
Or
4. a) Ina test
administered to 1000.The average score was 42 and
Standard deviation is 24
i. Find
the no of students exceeding score 50.
ii. Find
the no of students between 30 and 54.
b) How can
we say the normal distribution is limiting case of
binomial distribution?
5. a) State and prove
central limit theorem.
b) A
sale man in departmental stores claims that at most 70% of
Shoppers entering the store leave without making purchase. A
random sample of 50 shoppers showed that 37 of them left
without making purchase. Are these sample results consistent with
the claim of salesman?(LOS=0.01)
Or
6. a) In a distribution
exactly normal, 7% of items are under 35 & 89% of
Item under 63.What is the mean and standard deviation of
distribution.
b) Describe the properties of chi-square distribution.
7. a) Discuss about
F-distribution.
b) A
random sample from a company’s very extensive files showed
that the orders for a certain kind of machinery were filled,
respectively in 10,12,19,14,15,18,11 and 13 days. use level of
significance α=0.001 to test the claim that on the average such
order are filled in 10.5 days assume normality.
Or
8. a) Derive the
relation for hypothesis concerning two variances
b)
Random samples drawn from two states gave the following data
relating to the heights of adults males. Is the difference in the mean
sufficient to state that state A and state B having same height.
State
A
State B
Mean height
67.13
67.17
S.D
2.55
2.52
Sample size
500
600
9. a) Derive the
equations on regression lines.
b)
Obtain the regression lines to data given below:
X: 6 2 10 4 8
Y: 9 11 5 8 7
Or
10. a) Fit the curve of
the form y=a
to the following data:
to the following data:
X:
2
3
4
5
6
Y:
144 172.8
207.4 248.8 298.6
b) Describe the least square procedure for model fitting.
(MCA 20312)
M.C.A. DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second Semester)
Paper III- DATA STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
1. (a) Define the notations of
an algorithm
(i) Complexity
(ii) Space
time analysis
(b) Describe various
operations on data structure.
(Or)
(c) What is complexity of an algorithm? Explain various control
structures with an example.
(d)Define work case and average case analysis of complexity.
2. (a) Explain about the
advantage and disadvantage of various string storage structures with examples.
(Or)
(b) Explain about first pattern matching algorithm.
(c) Explain about various operation on linear structures.
3. (a) What is a linked list? Explain various operations on two
way
lists with an algorithm.
(Or)
(b) What is a queue? Explain priority queues with an
example.
(c) Explain polish notation with example.
4. (a) Define Binary tree. Explain one way and two way
threading of binary tree.
(b) What is a heap? Construct a heap? Construct a heap with the
following elements.
23, 7,92,6,12,14,40,44,20,21
(Or)
(C) Explain Huff man’s algorithm with an example.
(d) Define Binary search tree and write an algorithm to search an
element in a binary search tree.
5. (a) Define sorting and illustrate the process of merge sorting
with an example.
(b) Explain DFS and BFS traversals of graph with an example.
(Or)
(c) Explain wars hall’s algorithm to find shortest paths in a
weighted graph.
(d) Explain Topological sorting with an example.
(MCA 20312)
M.C.A. DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second Semester)
Paper III- DATA STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
1. (a) Define the notations of
an algorithm
(i) Complexity
(ii) Space
time analysis
(b) Describe various
operations on data structure.
(Or)
(c) What is complexity of an algorithm? Explain various control
structures with an example.
(d)Define work case and average case analysis of complexity.
2. (a) Explain about the
advantage and disadvantage of various string storage structures with examples.
(Or)
(b) Explain about first pattern matching algorithm.
(c) Explain about various operation on linear structures.
3. (a) What is a linked list? Explain various operations on two
way
lists with an algorithm.
(Or)
(b) What is a queue? Explain priority queues with an
example.
(c) Explain polish notation with example.
4. (a) Define Binary tree. Explain one way and two way
threading of binary tree.
(b) What is a heap? Construct a heap? Construct a heap with the
following elements.
23, 7,92,6,12,14,40,44,20,21
(Or)
(C) Explain Huff man’s algorithm with an example.
(d) Define Binary search tree and write an algorithm to search an
element in a binary search tree.
5. (a) Define sorting and illustrate the process of merge sorting
with an example.
(b) Explain DFS and BFS traversals of graph with an example.
(Or)
(c) Explain wars hall’s algorithm to find shortest paths in a
weighted graph.
(d) Explain Topological sorting with an example.
(MCA
30410)
M.C.A DEGREE EXAMINATION,NOVEMBER 2012.
(Regular)
Third Semester
DATABASE MANAGEMENT SYSTEM
(Regulation
2010-11)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions
UNIT-I
1. (a)
Discuss the main characteristics of the Database approach. Compare
each characteristic with traditional file
system.
(7)
(b) Briefly describe the database system environment
and Different component modules of
DBMS.
(7)
(Or)
2. (a) What is logical
data independence? Differentiate logical and physical data
independence. How Data independence supports database system
architecture?
(7)
(b) Discuss Hashing technique in organizing database
files.(7)
UNIT-II
3. What is ER model? Discuss
ER model with suitable example with notion and convention used to draw ER
diagram? (14)
(Or)
4. Design a generalization-
specification hierarchy for a motor vehicle sales company. The company sells
motor cycles, passenger cars, vans and buses. Justify the placement of
attributes at level of the hierarchy. Explain all assumptions you
make.
(14)
UNIT-III
5. (a) Discuss various join
operations of relations algebra with
example.
(7)
(b) Compare tuple calculus and domain calculus with
example.
(7)
(Or)
6. (a) Give the complete
syntax of SQ: select statement. Explain all the phrases of select
statement.
(7)
(b) How a
view is created in the database? Explain Triggers with an
example.
(7)
UNIT-IV
7. (a) What is functional
dependency? Discuss how normalization uses functional
dependency.
(7)
(b) Explain 2NF and 3NF with suitable
examples.
(7)
(Or)
8. (a) What is normalization?
Explain 4NF and 5NF with suitable
examples.
(7)
(b) Is it possible to find candidate keys of a Relational schema?
How do you find keys for a relational schema? Give
example.
(7)
UNIT-V
9. (a) What is a Transaction?
Explain ACID properties of Transaction.
(7)
(b) Explain Basic Time Stamp ordering protocol for concurrency
control.
(7)
(Or)
10. (a)
Explain Validation concurrency control techniques. (7)
(b) What
are different types of Distributed database systems?
(MCA 20112)
MCA DEGREE EXAMINATION,SEPTEMBER 2013.
(Examination at the end of Second
Semester)
Paper I-OPERATING SYSTEMS
(Regulation 2012-13)
Time:Three
hours
Maximum:70 marks
Answer
ALL questions
ALL questions carry equal marks
(5* 14 =70 marks)
1.(a) What are the main
structural elements of computer system?
(b)
What is a system call? Explain about types of system calls.
Or
2.(a) Explain about
operating system services.
(b)
Explain about Interprocess Communocation.
3.What is a critical
section problem? Explain the solutions for it.
Or
4.(a) Explain about
Multi Threading models.
(b)
Explain about CPU scheduling algorithms with examples.
5. How to prevent and
avoid deadlock and explain its methods?
Or
6. Explain about page
replacement algorithms with examples.
7.(a) Explain about file
allocation methods.
(b)
Describe about various file operations and file type briefly.
Or
8.(a) Explain about free
space management techniques.
(b)
Explain about file system implementation.
9.(a) Explain about RAID
levels and their characteristics.
(b) Explain
any two disk scheduling algorithms with examples.
Or
10. Explain about
Application I/O interface and Kernel I/O interface.
(MCA
20212)
MCA DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second
Semester)
Paper II-DATA COMMUNICATIONS
(Regulation
2012-13)
Time: Three
hours
Maximum:70
marks
Answer ALL questions
ALL questions carry equal marks
(5*
14 =70 marks)
1.(a) Explain about
Physical Structures of Networks.
(b) Suppose
a computer sends a frame to another computer on a bus
topology LAN. The physical destination address of the frame is
corrupted during the transmission. What happens to the frame? How
can the sender be informed about the situation?
Or
(c) Name some
services provided by the application layer in the Internet
model.
(d) How can a
composite signal be decomposed into its individual
frequencies?
2.(a) Explain about
digital to analog transmission techniques.
(b) An
analog signal has a bit rate of 8000 bps and a baud rate of 1000 baud.
How many data elements are carried by each signal element? How many
signal elements do we need?
Or
(c) We have
sampled a low-pass signal with a bandwidth of 200KHz using 1024
levels of quantization.
(i) Calculate
the bit rate of the digitized signal.
(ii) Calculate
the SNRdb for this signal.
(iii) Calculate
the PCM bandwidth of this signal.
3.(a) Two channels, one
with a bit rate of 100 kbps and another with a bit rate
of 200 kbps, are to be multiplexed. How this can be achieved? What is the
frame rate? What is the frame duration? What is the bit rate of the link?
(b) Explain
about flow and error control.
Or
(c) Explain
about cyclic codes with examples.
(d) What
kind of arithmetic is used to add data items in checksum calculation?
4.(a) Explain about bit
orients protocols.
(b)
Discuss about token ring.
Or
(c)
Discuss about synchronous protocols.
5.(a) Discuss about
message switching.
(b) Explain
about ISDN services.
Or
(c) Explain
about bridges and gateways in detail.
� S m �oF � E t-language:EN-US;mso-bidi-language:AR-SA'> to
the following data:
to
the following data:
X:
2
3
4
5
6
Y:
144 172.8
207.4 248.8 298.6
b) Describe the least square procedure for model fitting.
(MCA
10412)
M.C.A DEGREE EXAMINATION, FEBRUARY 2014.
(Examination at the end of First Semester)
Paper IV-DISCRETE MATHEMATICAL STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
(5*14=70)
UNIT-I
1. (a) Prove that the
following is a following is a tautology
((A^B)->C))<->(A->(B->C)).
(b) What is GCD and Find the GCD (145,675), GCD (542,876) using
the Euclidean algorithm
(Or)
(c) Prove by mathematical induction that 6n+2+72n+1 is
divisible by 43 for each n.
(d) Find the expansion of (5x+4y)5. Using Binomial
theorem and find the coefficient of x3 y7 in
(x+y)10.
UNIT-II
2. (a) In a school there are 5
English teachers 7 Hindi teachers and 3 French teachers. A three member
committee is to be formed with one teacher representing each language. In how
many ways can this be done?
(b) How many four digit numbers can be formed with digits 1, 2, 3
and 4 and with distinct digits?
(Or)
(c) what is the maximum
possible number of 3- letter words
in
English which do not have any vowel other than ‘a’?
(d) Find the number of
permutations of the letters of the word
‘TENDULKAR’, in each of
the following cases.
(i) Beginning with T and ending with R
(ii) Vowels are
always together.
UNIT III
3. (a) solve the recurrence
relation
(MCA 10112)
MCA DEGREE EXAMINATION,MARCH 2013.
(Regular)
(Examination at the end of first semester)
IT
FUNDAMENTALS
(Regulation 2012-13)
Time:Three
hours
Maximum:70 marks
Answer ALL questions
ALL questions carry equal marks
1.(a) what
are the various types of data? Explain with examples.
(b)
Discuss about the internal representation of numerical data in a computer
Or
(c) what are the various methods of acquiring image data?
Explain.
(d) what are error detecting codes? Explain.
2.(a) what are the
methods of acquiring audio data? Explain.
(b) Discuss about the compression standard of video data.
Or
(c) What
are the various types of data storage? Explain.
(d) What is
the difference between the system software and application
Software? Explain.
3.(a) Discuss , in
detail, about various types of computer networks with various
advantages
and limitations.
Or
(b)
Write short notes on the following:
(i) Computer security using fire walls
(ii) Internet
(iii) Cryptography
4.(a) Explain
about the following terms:
(i) Desktop publishing
(ii) Markup languages
(iii) Use of spread sheets
Or
(b)
What is a web browser? What are its functions? Name few browsers.
(c) Explain how audio is provided on the Internet.
5.(a) What is
transaction processing and how computers are useful in transaction
Processing?
Explain.
(b) Discuss
about system life cycle.
Or
(c) Discuss about
Business to customer E-commerce and Business to Business
E-commerce.
(d) Write about
electronic cheque payment system in E-commerce.
(MCA
10212)
MCA DEGREE EXAMINATION, MARCH 2013.
(Regular)
(Examination
at the end of first semester)
PROGRAMMING AND PROBLEM SOLVING
(Regulation 2012-13)
Time: Three
hours
Maximum:70 marks
Answer
ALL questions
ALL questions carry equal marks
1.(a) Discuss, in
detail, about the generation of programming languages.
(b)
What is the output of the following C-program? Explain.
#include<stdio.h>
main()
{
int I,j,k;
i=5;
j=i++;
k=++i;
printf(“%d,%d,%d”,I,j,k);
}
Or
(c)
What are the data types in C? Explain about each of them. Giving an
Example each.
(d)
What is the output of the following?
#include<stdio.h>
main()
{
int I,j;
i=11;
j+=i++;
printf(“%d,%d”,I,j);
}
2.(a) What are the
conditional statements of C? Explain with examples.
(b) Write a program in C language to find the roots of a quadratic
equation.
Or
(c)
How are functions defined and declared in C-language? Explain with
examples.
(d)
Write a program for “Towers of Honoi”problem to illustrate the concept of
recursion in C-Language.
3.(a) Explain how
two dimensional and multidimensional arrays are declared in C,
with
examples.
(b)
write a program in C to multiply two given n*n matrices.
Or
(c)
Discuss about various string operators provided in C-Language.
(d)
Write a program in C-Language to concatenate two given strings.
4.(a) How are pointer
variables declared in C-Language? Explain with examples.
(b)
Write a program to find the transpose of a given matrix using pointers.
Or
(c)
What is a Structure? Give an example.
(d)
What is a Union? Give an example.
5.(a) Discuss in detail,
about the files and file operations in C.
Or
(b) What
are preprocessor directives provided in C? Explain each of them with
an example.
(MCA 10512)
MCA DEGREE EXAMINATION,MARCH 2013.
(Regular)
(Examination
at the end of first semester)
ACCOUNTING AND FINANCIAL MANAGEMENT
(Regulation 2012-13)
Time: Three
hours
Maximum:70 marks
Answer ALL questions.
ALL questions carry equal marks.
1.(a) Prepare trading
and profit and loss account and Balance sheet for the year
Ended 31st March 2012 from the following extracts of ledger
balances and
additional information:
Rs
Proprietor’s Capital
Account
1,19,400
Proprietor’s drawings
account
10,550
Bills
receivable
9,500
Plant and
Machinery
28,800
Wages
40,970
Salaries
11,000
Sundry
Debtors
62,000
Sundry
Creditors
59,630
Loan(Received)(Cr.)
20,000
Returns
inward
2,780
Purchases
2,56,590
Sales
3,56,430
Commission
received
5,640
Discount
allowed
5,870
Rent
and
Taxes
5,620
Stock on 1st April,
2011
89,680
Travelling
expenses
1,880
Insurance
400
Cash
530
Bank (Debit
Balance)
18,970
Repairs and Renewals
3,370
Bad
debts
3,620
Fixtures and
fittings
8,970
The following additional information is also available stock on hand on 31st
March, 2012 was Rs. 1,28,960.
Or
(b)
What are Accounting concepts and conventions? Explain with suitable
examples.
2.(a) The budgeted sales
of a company are as follows:
Products
X
Y
Z
Budget sales in
units
10,000
15,000 20,000
Budget selling price per
unit
4
4
4
Budget variables cost per
unit
2.5
3
3.5
Budget fixed expense
(total)
Rs. 12,000
9,000 7,500
From the above information you are required to compute the following for
each product.
(i) The
budget profit
(ii) The
budgeted break–even sales
(iii) The
budgeted margin of safety in terms of sales value.
Or
(b)
What do you mean by Budget? What are the different types of budgets?
Explain.
3.(a) Sumit chemical Co.
Ltd produces a certain chemical, the standard material
cost being:
40 per cent material X at Rs. 45 per kg
60 per cent material Y at Rs. 120 per kg
A standard loss of 10 per cent is expected in production. During January, 200
Kg of material X and Y were mixed.
84 kg material X at Rs. 46 per kg
116
kg material Y at Rs. 118 per kg
and
produced 182 kg of chemical.
Calculate
the following variances for the month:
(i) Material
price
(ii) Material
mixture
(iii) Material
yield
Or
(b) Discuss the process
of decision making using financial information.
4.(a) X Ltd. Has a
current ratio of 2.5:1 and quick ratio of 1.5:1. Its current
assets are Rs. 2,00,000. Calculate the value of stock.
Or
(b)
What do you mean by Ratio Analysis? Explain the importance of
different ratios.
5.(a) Define working
capital. Discuss the determinants of working capital.
Or
(b) What
are the components of working capital management? Explain
briefly.
(MCA 40312))
MCA Degree Examinations ‐ September,2014
(Regulation 2012-13)
(Examination at the end of IV Semester)
PAPER-III:Information Security
Time : Three
hours
Maximum
Marks: 70
Answer
all the questions
1 a)What are Security attacks?Describe.
b)Difference between Linear and Differentiate Crypt
analysis.
(OR)
c)Explain cipher block chaning mode and cipher block
feedback mode.
d)Describe the block modes of operations of DES with
their advantages.
2 a)Write the charcterstics of public key cryptography and explain
RSA algorithm.
b)Using the RSA algorithm,with p=3,q=11,d=7,find ‘e’
and what is the cipher text character corresponding to the plaintext Charcter
‘N’ using the numbers corresponding to the letters,eg.,the number 1
stands for ‘A’.
(OR)
c)Describe the design objectives of HMAC.Briefly explain
the HMAC algorithm.
3 a)What is the purpose of X>509 standards?Explain X.509 strong
authentication procedures with suitable diagram.
b)Explain the properties of Digital Signatures.
(OR)
c)Expalin about Kerberos in detail.
d)Expalin the format of X.509 certificate.
4 a) What is the difference between ssl connection and ssl
session?What services are provided by ssl record rotocol?
b) Describe about web security.
(OR)
c)What are the threats associated with user authentication over a
network or internet?
d)Describe internet key exchange.
5 a)Explain any two approaches for intrusion detection.
b)What are the goals of firewalls and explain the different
types?
(OR)
c)Describe the measures for virus counter.
d)Explain firewall design
principles.
(MCA 4.3(09))
M.C.A DEGREE
EXAMINATION APRIL/MAY 2011
Fourth
Semeister
Paper iii-WEB
TECHNOLOGIES
Time:three
hours
Maximum:80 marks
Answer Question No.1
compulsorily.
(8*2=16)
Answer ONE question from each Unit.
(4*16=64)
SECTION-A
1. a) write about pop?
b) what is a socket?
c) Write about regular expressions in java script?
d) Write about the purpose of forms?
e) What is event bubbling?
f) Write about SSI?
g) What is servelet changing?
h)
Write about servelet life cycle?
SECTION-B
UNTI I
2. a) Explain brifly
about TETP and FTP?
b)
Explain the types of streams in java network programming?
Or
c)
Write the differences between TCP and UDP?
d)
With a neat sketch explain the client/server model of the web?
UNIT
II
3. a) Write a java
script to check the number is Armstrong number or not by getting the number
from text box and the result is displayed i
MCA 40112
MCA Degree Examinations-September,2014
(Regulation 2012-13)
(Examination at the of IV semester)
Paper-II: Web Technologies
(Regulation 2012-13)
(Examination at the of IV semester)
Paper-II: Web Technologies
Time: 3
hours
Maximum marks:70
Answer all Questions.
All questions carry equal marks
UNIT-I
1.a) What is
Internet? Give the uses of internet.
b) Describe
different Browser features. Name any 4 browsers.
OR
2.a) Write short notes
on i. SMTP ii.FTP.
b)
Differentiate between Domain Name System.
UNIT-II
3.a) Write short notes
on Byte Streams.
b) How will
you create hyperlinks in web documents? Discuss
on different attributes of creating a hyperlink. Make use
of
External and Internal links.
OR
4.a) Write a
program to illustrate Data Reading from the socket
and writing to the socket.
b) Create a web page for
the following
WELCOME TO XYZ COLLEGE OF ENGINEERING STUDENT
DETAILS
S.NO
|
SName
|
Branch
|
SEM
|
Marks
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M2 M3
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UNIT-III
5 a) What is array? How
do you declare array in VB Script?
Write VB Script program to find Maximum of n numbers.
b) Explain
the methods supported by Date ,Math ,String
objects in java script.
OR
6 a)How do VB script
different from java script.
B)what is
Document object model.Explain various object in DOM
UNIT-iV
7. a)create a small XML
file designed to contain information about student performance on a module.Each
student has a name,a roll no,subject marks and total marks.Creted a DTD
capturing the above
document.
b)write short notes on
i.inline
style ii)External
style iii)Embedded stylesheet
OR
8. a)write short notes
on XSL Transformations.
b)Differentiate the use of class and ID parameaters in creating style in the
web pages.
c)what are the component technologies of DHTM.
UNIT-V
9. a)write a session
tracker to track the number of users hitting
a web page.
b)
Explain about jsp directives.
OR
10) a)write short notes
on Switch,IF,FOR,DO while,selects constructs in ASP with an example for each
construct.
b)
write a Servlet that checks the username =”prateek” and password
=”fanstastic’. If found correct call second servlet and display Welcome
username message if wrong display the login page again.
(MCA
20512)
M.C.A.DEGREE EXAMINATION SEPTEMBER 2013
(Examination at the end of second semester)
Paper-V-PROBABILITY AND STATISTICS
(Regulation 2012-2013)
Time:3
hours
Maximun:70marks
Answer ONE Question from each section.
All Question carry equal marks.
1.a) Let X be a
continues random variable with probability
density function f(x)=λe^-λx ,x≥0,determine E().
).
b) A random
variable x has the cdf
Find (i) P(100≤X≤200)
(ii)P(X≥300)
Or
2.a) state and prove
Bayes theorem
b) Box A
contains 5 red and 3 white balls and Box B contains 2 red
and 6 white .A ball is drawn from each Box .What is the probability
that they have same color
3. a) What is
probability of rolling 2 sixes and 3 non sixes in 5
Independent casts of a fair die?
b) Let X
have poison distribution with parameter λ=1 what is the
probability x≥2 Given that x≤4?
Or
4. a) Ina test
administered to 1000.The average score was 42 and
Standard deviation is 24
i. Find
the no of students exceeding score 50.
ii. Find
the no of students between 30 and 54.
b) How can
we say the normal distribution is limiting case of
binomial distribution?
5. a) State and prove
central limit theorem.
b) A
sale man in departmental stores claims that at most 70% of
Shoppers entering the store leave without making purchase. A
random sample of 50 shoppers showed that 37 of them left
without making purchase. Are these sample results consistent with
the claim of salesman?(LOS=0.01)
Or
6. a) In a distribution
exactly normal, 7% of items are under 35 & 89% of
Item under 63.What is the mean and standard deviation of
distribution.
b) Describe the properties of chi-square distribution.
7. a) Discuss about
F-distribution.
b) A
random sample from a company’s very extensive files showed
that the orders for a certain kind of machinery were filled,
respectively in 10,12,19,14,15,18,11 and 13 days. use level of
significance α=0.001 to test the claim that on the average such
order are filled in 10.5 days assume normality.
Or
8. a) Derive the
relation for hypothesis concerning two variances
b)
Random samples drawn from two states gave the following data
relating to the heights of adults males. Is the difference in the mean
sufficient to state that state A and state B having same height.
State
A
State B
Mean height
67.13
67.17
S.D
2.55
2.52
Sample size
500
600
9. a) Derive the
equations on regression lines.
b)
Obtain the regression lines to data given below:
X: 6 2 10 4 8
Y: 9 11 5 8 7
Or
10. a) Fit the curve of
the form y=a to the following data:
to the following data:
X:
2
3
4
5
6
Y:
144 172.8
207.4 248.8 298.6
b) Describe the least square procedure for model fitting.
(MCA 20312)
M.C.A. DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second Semester)
Paper III- DATA STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
1. (a) Define the notations of
an algorithm
(i) Complexity
(ii) Space
time analysis
(b) Describe various
operations on data structure.
(Or)
(c) What is complexity of an algorithm? Explain various control
structures with an example.
(d)Define work case and average case analysis of complexity.
2. (a) Explain about the
advantage and disadvantage of various string storage structures with examples.
(Or)
(b) Explain about first pattern matching algorithm.
(c) Explain about various operation on linear structures.
3. (a) What is a linked list? Explain various operations on two
way
lists with an algorithm.
(Or)
(b) What is a queue? Explain priority queues with an
example.
(c) Explain polish notation with example.
4. (a) Define Binary tree. Explain one way and two way
threading of binary tree.
(b) What is a heap? Construct a heap? Construct a heap with the
following elements.
23, 7,92,6,12,14,40,44,20,21
(Or)
(C) Explain Huff man’s algorithm with an example.
(d) Define Binary search tree and write an algorithm to search an
element in a binary search tree.
5. (a) Define sorting and illustrate the process of merge sorting
with an example.
(b) Explain DFS and BFS traversals of graph with an example.
(Or)
(c) Explain wars hall’s algorithm to find shortest paths in a
weighted graph.
(d) Explain Topological sorting with an example.
(MCA 20312)
M.C.A. DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second Semester)
Paper III- DATA STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
1. (a) Define the notations of
an algorithm
(i) Complexity
(ii) Space
time analysis
(b) Describe various
operations on data structure.
(Or)
(c) What is complexity of an algorithm? Explain various control
structures with an example.
(d)Define work case and average case analysis of complexity.
2. (a) Explain about the
advantage and disadvantage of various string storage structures with examples.
(Or)
(b) Explain about first pattern matching algorithm.
(c) Explain about various operation on linear structures.
3. (a) What is a linked list? Explain various operations on two
way
lists with an algorithm.
(Or)
(b) What is a queue? Explain priority queues with an
example.
(c) Explain polish notation with example.
4. (a) Define Binary tree. Explain one way and two way
threading of binary tree.
(b) What is a heap? Construct a heap? Construct a heap with the
following elements.
23, 7,92,6,12,14,40,44,20,21
(Or)
(C) Explain Huff man’s algorithm with an example.
(d) Define Binary search tree and write an algorithm to search an
element in a binary search tree.
5. (a) Define sorting and illustrate the process of merge sorting
with an example.
(b) Explain DFS and BFS traversals of graph with an example.
(Or)
(c) Explain wars hall’s algorithm to find shortest paths in a
weighted graph.
(d) Explain Topological sorting with an example.
(MCA
30410)
M.C.A DEGREE EXAMINATION,NOVEMBER 2012.
(Regular)
Third Semester
DATABASE MANAGEMENT SYSTEM
(Regulation
2010-11)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions
UNIT-I
1. (a)
Discuss the main characteristics of the Database approach. Compare
each characteristic with traditional file
system.
(7)
(b) Briefly describe the database system environment
and Different component modules of
DBMS.
(7)
(Or)
2. (a) What is logical
data independence? Differentiate logical and physical data
independence. How Data independence supports database system
architecture?
(7)
(b) Discuss Hashing technique in organizing database
files.(7)
UNIT-II
3. What is ER model? Discuss
ER model with suitable example with notion and convention used to draw ER
diagram? (14)
(Or)
4. Design a generalization-
specification hierarchy for a motor vehicle sales company. The company sells
motor cycles, passenger cars, vans and buses. Justify the placement of
attributes at level of the hierarchy. Explain all assumptions you
make.
(14)
UNIT-III
5. (a) Discuss various join
operations of relations algebra with
example.
(7)
(b) Compare tuple calculus and domain calculus with
example.
(7)
(Or)
6. (a) Give the complete
syntax of SQ: select statement. Explain all the phrases of select
statement.
(7)
(b) How a
view is created in the database? Explain Triggers with an
example.
(7)
UNIT-IV
7. (a) What is functional
dependency? Discuss how normalization uses functional
dependency.
(7)
(b) Explain 2NF and 3NF with suitable
examples.
(7)
(Or)
8. (a) What is normalization?
Explain 4NF and 5NF with suitable
examples.
(7)
(b) Is it possible to find candidate keys of a Relational schema?
How do you find keys for a relational schema? Give
example.
(7)
UNIT-V
9. (a) What is a Transaction?
Explain ACID properties of Transaction.
(7)
(b) Explain Basic Time Stamp ordering protocol for concurrency
control.
(7)
(Or)
10. (a)
Explain Validation concurrency control techniques. (7)
(b) What
are different types of Distributed database systems?
(MCA 20112)
MCA DEGREE EXAMINATION,SEPTEMBER 2013.
(Examination at the end of Second
Semester)
Paper I-OPERATING SYSTEMS
(Regulation 2012-13)
Time:Three
hours
Maximum:70 marks
Answer
ALL questions
ALL questions carry equal marks
(5* 14 =70 marks)
1.(a) What are the main
structural elements of computer system?
(b)
What is a system call? Explain about types of system calls.
Or
2.(a) Explain about
operating system services.
(b)
Explain about Interprocess Communocation.
3.What is a critical
section problem? Explain the solutions for it.
Or
4.(a) Explain about
Multi Threading models.
(b)
Explain about CPU scheduling algorithms with examples.
5. How to prevent and
avoid deadlock and explain its methods?
Or
6. Explain about page
replacement algorithms with examples.
7.(a) Explain about file
allocation methods.
(b)
Describe about various file operations and file type briefly.
Or
8.(a) Explain about free
space management techniques.
(b)
Explain about file system implementation.
9.(a) Explain about RAID
levels and their characteristics.
(b) Explain
any two disk scheduling algorithms with examples.
Or
10. Explain about
Application I/O interface and Kernel I/O interface.
(MCA
20212)
MCA DEGREE EXAMINATION, SEPTEMBER 2013.
(Examination at the end of Second
Semester)
Paper II-DATA COMMUNICATIONS
(Regulation
2012-13)
Time: Three
hours
Maximum:70
marks
Answer ALL questions
ALL questions carry equal marks
(5*
14 =70 marks)
1.(a) Explain about
Physical Structures of Networks.
(b) Suppose
a computer sends a frame to another computer on a bus
topology LAN. The physical destination address of the frame is
corrupted during the transmission. What happens to the frame? How
can the sender be informed about the situation?
Or
(c) Name some
services provided by the application layer in the Internet
model.
(d) How can a
composite signal be decomposed into its individual
frequencies?
2.(a) Explain about
digital to analog transmission techniques.
(b) An
analog signal has a bit rate of 8000 bps and a baud rate of 1000 baud.
How many data elements are carried by each signal element? How many
signal elements do we need?
Or
(c) We have
sampled a low-pass signal with a bandwidth of 200KHz using 1024
levels of quantization.
(i) Calculate
the bit rate of the digitized signal.
(ii) Calculate
the SNRdb for this signal.
(iii) Calculate
the PCM bandwidth of this signal.
3.(a) Two channels, one
with a bit rate of 100 kbps and another with a bit rate
of 200 kbps, are to be multiplexed. How this can be achieved? What is the
frame rate? What is the frame duration? What is the bit rate of the link?
(b) Explain
about flow and error control.
Or
(c) Explain
about cyclic codes with examples.
(d) What
kind of arithmetic is used to add data items in checksum calculation?
4.(a) Explain about bit
orients protocols.
(b)
Discuss about token ring.
Or
(c)
Discuss about synchronous protocols.
5.(a) Discuss about
message switching.
(b) Explain
about ISDN services.
Or
(c) Explain
about bridges and gateways in detail.
� S m �oF � E t-language:EN-US;mso-bidi-language:AR-SA'> to
the following data:
to
the following data:
X:
2
3
4
5
6
Y:
144 172.8
207.4 248.8 298.6
b) Describe the least square procedure for model fitting.
(MCA
10412)
M.C.A DEGREE EXAMINATION, FEBRUARY 2014.
(Examination at the end of First Semester)
Paper IV-DISCRETE MATHEMATICAL STRUCTURES
(Regulation 2012-2013)
Time: Three
hours
Maximum: 70 marks
Answer ALL questions.
All questions carry equal marks.
(5*14=70)
UNIT-I
1. (a) Prove that the
following is a following is a tautology
((A^B)->C))<->(A->(B->C)).
(b) What is GCD and Find the GCD (145,675), GCD (542,876) using
the Euclidean algorithm
(Or)
(c) Prove by mathematical induction that 6n+2+72n+1 is
divisible by 43 for each n.
(d) Find the expansion of (5x+4y)5. Using Binomial
theorem and find the coefficient of x3 y7 in
(x+y)10.
UNIT-II
2. (a) In a school there are 5
English teachers 7 Hindi teachers and 3 French teachers. A three member
committee is to be formed with one teacher representing each language. In how
many ways can this be done?
(b) How many four digit numbers can be formed with digits 1, 2, 3
and 4 and with distinct digits?
(Or)
(c) what is the maximum
possible number of 3- letter words
in
English which do not have any vowel other than ‘a’?
(d) Find the number of
permutations of the letters of the word
‘TENDULKAR’, in each of
the following cases.
(i) Beginning with T and ending with R
(ii) Vowels are
always together.
UNIT III
3. (a) solve the recurrence
relation
(MCA 10112)
MCA DEGREE EXAMINATION,MARCH 2013.
(Regular)
(Examination at the end of first semester)
IT
FUNDAMENTALS
(Regulation 2012-13)
Time:Three
hours
Maximum:70 marks
Answer ALL questions
ALL questions carry equal marks
1.(a) what
are the various types of data? Explain with examples.
(b)
Discuss about the internal representation of numerical data in a computer
Or
(c) what are the various methods of acquiring image data?
Explain.
(d) what are error detecting codes? Explain.
2.(a) what are the
methods of acquiring audio data? Explain.
(b) Discuss about the compression standard of video data.
Or
(c) What
are the various types of data storage? Explain.
(d) What is
the difference between the system software and application
Software? Explain.
3.(a) Discuss , in
detail, about various types of computer networks with various
advantages
and limitations.
Or
(b)
Write short notes on the following:
(i) Computer security using fire walls
(ii) Internet
(iii) Cryptography
4.(a) Explain
about the following terms:
(i) Desktop publishing
(ii) Markup languages
(iii) Use of spread sheets
Or
(b)
What is a web browser? What are its functions? Name few browsers.
(c) Explain how audio is provided on the Internet.
5.(a) What is
transaction processing and how computers are useful in transaction
Processing?
Explain.
(b) Discuss
about system life cycle.
Or
(c) Discuss about
Business to customer E-commerce and Business to Business
E-commerce.
(d) Write about
electronic cheque payment system in E-commerce.
(MCA
10212)
MCA DEGREE EXAMINATION, MARCH 2013.
(Regular)
(Examination
at the end of first semester)
PROGRAMMING AND PROBLEM SOLVING
(Regulation 2012-13)
Time: Three
hours
Maximum:70 marks
Answer
ALL questions
ALL questions carry equal marks
1.(a) Discuss, in
detail, about the generation of programming languages.
(b)
What is the output of the following C-program? Explain.
#include<stdio.h>
main()
{
int I,j,k;
i=5;
j=i++;
k=++i;
printf(“%d,%d,%d”,I,j,k);
}
Or
(c)
What are the data types in C? Explain about each of them. Giving an
Example each.
(d)
What is the output of the following?
#include<stdio.h>
main()
{
int I,j;
i=11;
j+=i++;
printf(“%d,%d”,I,j);
}
2.(a) What are the
conditional statements of C? Explain with examples.
(b) Write a program in C language to find the roots of a quadratic
equation.
Or
(c)
How are functions defined and declared in C-language? Explain with
examples.
(d)
Write a program for “Towers of Honoi”problem to illustrate the concept of
recursion in C-Language.
3.(a) Explain how
two dimensional and multidimensional arrays are declared in C,
with
examples.
(b)
write a program in C to multiply two given n*n matrices.
Or
(c)
Discuss about various string operators provided in C-Language.
(d)
Write a program in C-Language to concatenate two given strings.
4.(a) How are pointer
variables declared in C-Language? Explain with examples.
(b)
Write a program to find the transpose of a given matrix using pointers.
Or
(c)
What is a Structure? Give an example.
(d)
What is a Union? Give an example.
5.(a) Discuss in detail,
about the files and file operations in C.
Or
(b) What
are preprocessor directives provided in C? Explain each of them with
an example.
(MCA 10512)
MCA DEGREE EXAMINATION,MARCH 2013.
(Regular)
(Examination
at the end of first semester)
ACCOUNTING AND FINANCIAL MANAGEMENT
(Regulation 2012-13)
Time: Three
hours
Maximum:70 marks
Answer ALL questions.
ALL questions carry equal marks.
1.(a) Prepare trading
and profit and loss account and Balance sheet for the year
Ended 31st March 2012 from the following extracts of ledger
balances and
additional information:
Rs
Proprietor’s Capital
Account
1,19,400
Proprietor’s drawings
account
10,550
Bills
receivable
9,500
Plant and
Machinery
28,800
Wages
40,970
Salaries
11,000
Sundry
Debtors
62,000
Sundry
Creditors
59,630
Loan(Received)(Cr.)
20,000
Returns
inward
2,780
Purchases
2,56,590
Sales
3,56,430
Commission
received
5,640
Discount
allowed
5,870
Rent
and
Taxes
5,620
Stock on 1st April,
2011
89,680
Travelling
expenses
1,880
Insurance
400
Cash
530
Bank (Debit
Balance)
18,970
Repairs and Renewals
3,370
Bad
debts
3,620
Fixtures and
fittings
8,970
The following additional information is also available stock on hand on 31st
March, 2012 was Rs. 1,28,960.
Or
(b)
What are Accounting concepts and conventions? Explain with suitable
examples.
2.(a) The budgeted sales
of a company are as follows:
Products
X
Y
Z
Budget sales in
units
10,000
15,000 20,000
Budget selling price per
unit
4
4
4
Budget variables cost per
unit
2.5
3
3.5
Budget fixed expense
(total)
Rs. 12,000
9,000 7,500
From the above information you are required to compute the following for
each product.
(i) The
budget profit
(ii) The
budgeted break–even sales
(iii) The
budgeted margin of safety in terms of sales value.
Or
(b)
What do you mean by Budget? What are the different types of budgets?
Explain.
3.(a) Sumit chemical Co.
Ltd produces a certain chemical, the standard material
cost being:
40 per cent material X at Rs. 45 per kg
60 per cent material Y at Rs. 120 per kg
A standard loss of 10 per cent is expected in production. During January, 200
Kg of material X and Y were mixed.
84 kg material X at Rs. 46 per kg
116
kg material Y at Rs. 118 per kg
and
produced 182 kg of chemical.
Calculate
the following variances for the month:
(i) Material
price
(ii) Material
mixture
(iii) Material
yield
Or
(b) Discuss the process
of decision making using financial information.
4.(a) X Ltd. Has a
current ratio of 2.5:1 and quick ratio of 1.5:1. Its current
assets are Rs. 2,00,000. Calculate the value of stock.
Or
(b)
What do you mean by Ratio Analysis? Explain the importance of
different ratios.
5.(a) Define working
capital. Discuss the determinants of working capital.
Or
(b) What
are the components of working capital management? Explain
briefly.
(MCA 40312))
MCA Degree Examinations ‐ September,2014
(Regulation 2012-13)
(Examination at the end of IV Semester)
PAPER-III:Information Security
Time : Three
hours
Maximum
Marks: 70
Answer
all the questions
1 a)What are Security attacks?Describe.
b)Difference between Linear and Differentiate Crypt
analysis.
(OR)
c)Explain cipher block chaning mode and cipher block
feedback mode.
d)Describe the block modes of operations of DES with
their advantages.
2 a)Write the charcterstics of public key cryptography and explain
RSA algorithm.
b)Using the RSA algorithm,with p=3,q=11,d=7,find ‘e’
and what is the cipher text character corresponding to the plaintext Charcter
‘N’ using the numbers corresponding to the letters,eg.,the number 1
stands for ‘A’.
(OR)
c)Describe the design objectives of HMAC.Briefly explain
the HMAC algorithm.
3 a)What is the purpose of X>509 standards?Explain X.509 strong
authentication procedures with suitable diagram.
b)Explain the properties of Digital Signatures.
(OR)
c)Expalin about Kerberos in detail.
d)Expalin the format of X.509 certificate.
4 a) What is the difference between ssl connection and ssl
session?What services are provided by ssl record rotocol?
b) Describe about web security.
(OR)
c)What are the threats associated with user authentication over a
network or internet?
d)Describe internet key exchange.
5 a)Explain any two approaches for intrusion detection.
b)What are the goals of firewalls and explain the different
types?
(OR)
c)Describe the measures for virus counter.
d)Explain firewall design
principles.
(MCA 4.3(09))
M.C.A DEGREE
EXAMINATION APRIL/MAY 2011
Fourth
Semeister
Paper iii-WEB
TECHNOLOGIES
Time:three
hours
Maximum:80 marks
Answer Question No.1
compulsorily.
(8*2=16)
Answer ONE question from each Unit.
(4*16=64)
SECTION-A
1. a) write about pop?
b) what is a socket?
c) Write about regular expressions in java script?
d) Write about the purpose of forms?
e) What is event bubbling?
f) Write about SSI?
g) What is servelet changing?
h)
Write about servelet life cycle?
SECTION-B
UNTI I
2. a) Explain brifly
about TETP and FTP?
b)
Explain the types of streams in java network programming?
Or
c)
Write the differences between TCP and UDP?
d)
With a neat sketch explain the client/server model of the web?
UNIT
II
3. a) Write a java
script to check the number is Armstrong number or not by getting the number
from text box and the result is displayed ina prompt dialogue box?
b)
Explain various objects in VB script?
Or
c)
Write briefly about Math Object and its methods?
d)
With a VB script to creating and reading cookie value?
UNIT
III
4. a) Write briefly
about XML validation?
b) Write a program for data binding using tabular data control?
Or
c) Explain CGI environment variables with a sample program?
d) Explain embedded style sheets with a sample program?
UNIT
IV
5. a) Explain multi tier
applications using database connectivity?
b)
Explain the components of JSP?
Or
c)
Explain subroutines in ASP with a sample code?
d)
Write about sessions and cookies in JSP?
na prompt dialogue box?
b)
Explain various objects in VB script?
Or
c)
Write briefly about Math Object and its methods?
d)
With a VB script to creating and reading cookie value?
UNIT
III
4. a) Write briefly
about XML validation?
b) Write a program for data binding using tabular data control?
Or
c) Explain CGI environment variables with a sample program?
d) Explain embedded style sheets with a sample program?
UNIT
IV
5. a) Explain multi tier
applications using database connectivity?
b)
Explain the components of JSP?
Or
c)
Explain subroutines in ASP with a sample code?
d)
Write about sessions and cookies in JSP?
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