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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
MCA SEMESTER-III • EXAMINATION SUMMER 2017
Subject Code:630005 Date:07/06/ 2017
Subject Name: System Software
Time: 02.30 PM TO 05.00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Define
1. System software
2. Device driver
3. Linker
4. Loader
5. Assembler
6. Language processor
7. Macro
07

Explain front end and back end of toy compiler.
07
Q.2

What is grammar? List and explain categories of grammar.
07

Explain pass 1 of assembler. Also give difference between Variant I and Variant II.
07
OR

Explain macro data structures with appropriate e.g.
07
Q.3

Explain parameter types used in macro with appropriate e.g.
07

Draw editor structure and also explain types of editors.
07
OR
Q.3

1. Write a short note on single pass assembler.
2. Write a short note on debug monitor.
03
04

Explain types of assembler statements with e.g
07
Q.4

Generate triples and quadruples from the given expression: A B C D E
07

Write a short note on global optimization.
07
OR
Q.4

Explain parser with appropriate e.g.
07

Write a short note on local optimization.
07
Q.5

Explain absolute loader, relocatable loader and linking loader in detail.
07

1. Write a short note on overlay.
2. Explain pure and impure interpreter.
03
04
OR
Q.5

Explain object module of linker in detail with appropriate e.g.
07

1. Define AIF, AGO and ANOP in macro.
2. Explain self relocating program in detail.
03
04