Test Papers / Previous Question Papers of IGNOU CS02 Introduction to Software December 1996

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

December, 1996

CS02 : Introduction to Software

Time: 2 hours
Maximum Marks: 60

1. (a) Write an algorithm to remove from an ordered array all numbers that occur more than once.
(b) Explain the relevance of regular grammar to lexical analysis.
(c) Derive a regular grammar to describe the syntax of a conventional representation of floating point numbers in a programming language.
(d) What features of Unix are specially useful from a S/W engineering standpoint?

2. (a) Discuss Unix system architecture.
(b) Discuss memory management scheme in Unix operating system.

3. Define the essential differences between the following types of operating systems in terms of memory management, I/O management and file management.
(a) Batch
(b) Interactive
(c) Time sharing
(d) Real time

4. (a) Define the difference between preemptive and nonpreemptive scheduling.
(b) Explain the difference between external and internal fragmentation.
(c) Describe the Hardware support for paging.

5. (a) How is separate compilation facility supported in ADA?
(b) What are advantages and disadvantages of CASE Tools?
(c) What are the issues related to the selection of right methodologies?

6. (a) Discuss the relationship between S/W engineering and two important disciplines of Computer Science such as Programming language and Database.
(b) Discuss the important qualities of S/W product and process
Reliability
Reusability