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SEM 1 BCA WINTER 2014

BCA 1040 &DIGITAL LOGIC

1 Expand the following Boolean functions into their canonical form:

i. f(X,Y,Z)=XY+YZ+ X Z+ X Y

ii. f(X,Y,Z)=XY+ X Y + X YZ

2 Explain the concepts of Gray code and Excess-3 Code with their respective properties.

3 Explain the working of JK flip-flop in detail. 10 10

4 Define shift registers and explain SISO shift registers. [2+8] 10

5 Explain how the error correction and compression take place in modems. 10 10

6 Explain any five common types of DAC. 10

SEM 2 BCA WINTER 2014

BCA2010 – OPERATING SYSTEM

1 Differentiate between Simple Batch Operating Systems and Time-sharing Operating Systems

2 What is the best methodology available to create a modular kernel? List the seven types of loadable kernel modules in Solaris.

3 Explain the following scheduling algorithm.

a) First come First served

b) Shortest Job First

4 Define deadlock. Discuss any four condition that leads to deadlock.

5 Write short notes on:

a) Segmentation

b) External fragmentation

6 What is computer virus? List the types of virus and its various infection methods

BCA 2020 - DATA STRUCTURE AND ALGORITHMS

1 What is a data structure? Briefly explain the types of data structures.

2 Explain the algorithm for evaluation of a postfix expression. Also give one example.

3 Explain any five types of Graph.

4 Explain the steps involved in Prim's Minimum Spanning Tree Algorithm. Illustrate it with one example

5 Elaborate the steps involved in the analysis of first prefix- averages with its algorithm.

6 Briefly explain Greedy Method Strategy.

BCA2030- OBJECT ORIENTED PROGRAMMING – C++

1 Differentiate between Objects and Classes

2 Explain about friend functions and friend classes in detail

3 Differentiate between Constructors and Destructors

4 Discuss operator overloading. What are the advantage and disadvantage of operator overloading in brief.

5 Explain the concept of virtual function and polymorphism in OOPS with example.

6 Describe the two basic exception handling models.

BCA2040- COMMUNICATION SKILLS

1 What is nonverbal communication? Give five examples for non-verbal communication

2 What are the prosodic features of speech?

3 Define hearing and Listening. How is ‘hearing’ different from ‘listening’

BCA 2050 - COMPUTER ORGANISATION

1 What is signed number? Briefly explain the best-known methods of extending the binary numeral system to represent signed numbers.

2 Explain the Programmer’s Model of 8086.

3 Explain the four micro operations involved in the instruction cycle.

4 What is Cache Memory? Explain the principle of cache memory with relevant diagrams.

5 What is the difference between Synchronous and Asynchronous Data Transfer?

6 What is Multiprocessing? State two advantages and disadvantages of multiprocessing. How is it different form multitasking?

SEM 4 OLD BCA WINTER 2014

BC0047, JAVA PROGRAMMING

1 Describe about the primitives and derived data types in java.

2 Explain the types of relationship in java.

3 Explain the methods of InputStream class and OutputStream class.

4 What are exception classes? Explain the common exceptions in Java.

5 Write a Java program to find the sum of 1+3+5+…. ,for 10 terms in the series.

6 Write a program in Java to check whether a given year is leap year or not.

BC0048 – COMPUTER NETWORKS

1 Explain

(i) Merits and de-merits of Layered Architecture

(ii) Connection-Oriented VS Connectionless Services

2 Define LAN, WAN and Differentiate them

3 Explain the TCP/IP Reference Model with diagram

4 Write a short note on

i. Connection establishment

ii. Connection Release

5 Write notes on (i) Non-Persistent CSMA (ii) 1-Persistent CSMA

6 Describe Circuit switching and message switching.

BC0049 – SOFTWARE ENGINEERING

1 What is Software Maintenance? Explain its types. Also explain the Maintenance Process.

2 What are the drawbacks of Rapid Application Development (RAD)?

3 What is Verification and Validation? Explain the Validation Test Criteria.

4 Explain Data-flow design.

5 Explain White-Box testing?

6 What is Top-down integration and Bottom-up integration?

BC0050– ORACLE & DISTRIBUTED DATABASES

1Explain user-defined exceptions.

2 Write a note on Database triggers

3 Explain the following Logical Storage Structures.

(a) Table space

(b) Segment

4 What are the uses of Distributed Databases?

5 Explain any three characteristics of Query processor

6 Explain RMAN Pipe Interface.

7 Create a trigger to get confirmation from user on deleting record on the employee table.

8 Write a cursor to open an employee database and fetch the employee record whose age is greater than 45.

BC0051 – SYSTEM SOFTWARE

1 What are the Classification of Grammars introduced by Chomsky? Explain each.

2 What is Code Optimization and Code Generation?

3 Define the process of Bootstrapping.

4 Define Loader. Explain the functions of Basic Loader.

5 Discuss the concept of Java and Garbage Collection.

6 What is the role of compilers in Error Detection and Recovery?

SEM 5 OLD BCA WINTER 2014

BC0052 – THEORY OF COMPUTER SCIENCE

1 Define g.c.d. (m,n)

Solve recursively: (i) f(x, y) = x + y

(ii) g(x, 0) = 0, g(x, y + 1) = g(x, y) + x.

2 Obtain a DFA to accept strings of a’s and b’s starting with thestring ab.

3 Prove by mathematical induction 1^2+2^2+3^2+…………n^2 = n(n+1)(2n+1)/6

4 Briefly describe Moore and Mealy machines. [10] 10

5 If G =({ S }, { 0,1}, { S ®0S1, S ®Ù}, S ) then find L(G), the language generated by G.

6 Prove that “A tree G with n vertices has (n–1) edges”

BC0053 – VB.NET & XML

1Describe Visual Studio .NET and the .NET Framework

2 List the various Arithmetic, Concatenation, Comparison, Logical and Bitwise Operators.

3 State important properties and methods of an Exception.

4 List some of the applications of XML and related technologies.

5 Design a form to create basic calculator in VB.NET.

6 Write a XML with database with book details (BOOK ID, Title, Author, subject, published Year, language, vendor, price)

BC0054 – SOFTWARE PROJECT MANAGEMENT & QUALITY ASSURANCE

1Explain Centralized-Control and Decentralized-Control Team Organization.

2 What is Software Configuration Management? Explain its Goals.

3 Explain Waterfall life cycle model.

4 What is Gantt Chart? What are its advantages?

5 List the various activities under the risk management.

6 Define a)Software assurance, (b) Software Engineering, (c) Software Management, (d) Software reviews, (e) Code Reviews

BC0055, TCP/IP

1Define PPP. What are its three components? Draw the diagram and explain PPP encapsulation frame.

2 What do you mean by user datagram protocol? Draw and explain the diagram of UDP datagram format.

3 Explain in brief Ports and Sockets.

4 Give an overview of FTP. List the FTP operations and explain any two of them.

5 Explain HTTP operations with necessary diagrams.

6 What is SNMP manager? Explain types of requests to the SNMP agent.

BC0056 – UNIX OPERATING SYSTEM

1Explain the Layers of UNIX Operating System in detail.

2 Write a short note on

a. The fork() System Call

b. The pipe() System Call

3 Describe the UNIX file system.

4 What is a Process? How to run a process at the background?

5 Demonstrate how and when you can use the following commands: vi, cat, chmod, grep, man, pwd, ps, kill, mkdir, rm.

6 Write a C program that illustrates the creation of child process using fork system call. One process finds sum of even series and other process finds sum of odd series.