MCA - 2101 - 2413/ I/03
M.C.A. DEGREE EXAMINATION- March/April 2003
Second Year First Semester
Systems Programming
(Effective from the admitted batch of 2000 2001)

Time: Three hours
Maximum: 75 marks

First question is compulsory.
Answer any FOUR from the remaining questions.
All questions carry equal marks.
Write all bits of the first question at one place.

1. (a) Distinguish between systems programming and Application programming. (3)
(b) Explain USING, DROP AND LTORG. Pseudo OP Codes. (5)
(c) Explain the importance of RLD cards in the design of loader. (3)
(d) Explain Macro of the type "Macros in Macros". (4)

2. (a) Explain single pass assembler design with neat flow chart. (12)
(b) What is the difference in between?
A EQC 5
A DC F"5' (3)

3. (a) How can literals be processed by a load and go assembler? Discuss with an example. (11)
(b) What is the use of the following INSTRUCTION: DS OD (4)

4. (a) Give the design of the single pass Macro processor with the help of a neat flow chart. (12)
(b) Explain conditional macros. (3)

5. (a) Explain briefly about Absolute Loader. (8)
(b) Explain briefly about functions of Loader. (7)

6. (a) Give the design of Direct Linking Loader, with the help of neat flow chart. (10)
(b) Can you design above loader in a single pass? Justify your answer. (5)

7. (a) Explain in detail about "LEXICAL ANALYSIS PHASE" of a compiler. (7)
(b) Explain Machine Dependent and Machine Independent code optimization in detail (8)

8. (a) Explain briefly about text editors, debuggers and interpreters. (6)
(b) Explain briefly about phases of a compiler. (9)