Test Papers / Previous Question Papers of IGNOU CS02 Introduction to Software June 2002

PGDCA / MCA (I Yr) / BCA
Term-End Examination

June, 2002

CS02 : Introduction to Software

Time: 2 hours
Maximum Marks: 60

1. (a) Design an algorithm to find the square root of a given number.
(b) Write a shell program to find factorial of a given number.
(c) Write an algorithm/program to find the cum of 'n' terms for the sequence
(d) Describe the objectives of various types of schedulers.

2. (a) Explain the important tasks performed during
-Lexical Analysis
-Syntax Analysis
-Semantic Analysis
-Code Generation
(b) Expain the principles of YACC.

3. Discuss the features of the following :
(i) Network Operating System
(ii) Centralized Operating System
(iii) Distributed Operating System

4. (a) Explain the concepts :
(i) Synchronization
(ii) Mutual exclusion
(iii) Dead locks
(b) Discuss the hardware support for segmentation.

5. (a) Discuss UNIX operating system architecture.
(b) Write short notes on:
(i) Awk
(ii) Stream Editor (SED)

6. (a) Write a shell program to generate fibonacci series.
(b) Write UNIX commands for the following:
(i) To display last 30 lines in a 100 lines file.
(ii) To remove "xyz" directory
(iii) To give read and write permissions to a file
(iv) To copy a file from other directory to the current directory.