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Posted By: jothi vignesh Member Level: Gold Posted Date: 04 Jul 2008
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2005 Bangalore University B.C.A semester 5 Question paper
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System Software
V Sem B.C.A. April/May 2005
Time:3 Hours
Max. Marks: 80
SECTION - A
Answer any eight of the questions (8x3 = 24)
1. What is system software'? Distinguish between compiler and interpreter.
2. Explain Address modification using Index Registers.
3. Explain.
i) Memory Buffer Register
ii) Instruction Interpreter
iii) Location counter.
4. Explain three kinds of Assembly language statements.
5. What is Mnemonic Table? Specify its format.
6. Differentiate between macros and subroutines.
7. Differentiate between absolute loaders and relocating loaders.
8. What is a Binder? What is dynamic binding?
9. What are the three classes of Uniform symbols?
10. Explain Code Generation phase of compiler
SECTIONS - B
Answer any four questions: (4x14=56)
11. a) Explain the various registers and data format used by IBM 360/370.
b) What is Pseudo-up? Explain
i) Using
ii) Bair
iii) Start
12. a) Explain overview of assembly process.
b) Give the one-pass assembler algorithm.
13. a) Explain conditional macro expansion with an example.
b) What are the tasks performed by any macro instruction processor?
14. a) What are the basic functions of a loader?
b) Explain the general loader scheme with an example.
15. Explain the different Passes of a compiler with a diagram.
16.Write short notes on:
a) Machine Independent Optimization
b) System Software Components.
c) Assembler Directives
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