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Posted By: Chones prakash Member Level: Silver Posted Date: 01 Jul 2008
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2008 Bangalore University B.C.A System Software Question paper
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IV Semester B.C.A. Examination, June 2008
(New Scheme)
System Software
Time : 3 Hours
Max. Marks : 80
SECTION - A
Answer any eight questions :
1. Distinguish between system software and application software.
2. Define
a) Assemblers
b) Compilers
c) Loaders
3.Explain DS and DC statements in Assembly language.
4. What are the data structures used in synthesis phase of assembler ?
5. Explain link and go (schemes) loader.
6. What are the functions of absolute loader ?
7. Briefly explain the two major phases of Compiler ?
8. Differentiate between Compiler and Interpreter.
9. What do you mean by Parse tree draw a neat diagram ?
10.What is an intermediate code form of a Compiler ? Give an example.
SECTION -B
Answer any 4 questions :
11. a) Explain the general machine structure with a neat diagram. 6
b) Give an algorithm or flow chart of the first pass of a two pass assembler. 8
12. a) Explain the Data structures of the assembler ? 8
b) Explain (a) ORIGIN (b) EQU (c) LTORG. 6
13. a) Explain in detail the Intermediate code forms of an assembler. 8
b) Explain the synthesis phase of an assembler. 6
14. a) Explain Macro Call within Macros. 7
b) Explain Advanced Macro facilities. 7
15. a) Explain the Relocatable loader and Non Relocatable loader. 6
b) Explain the functioning of absolute loading scheme in detail. 8
16. a) Explain semantic analysis of Compiler. 7
b) Explain Machine independent code generation. 7
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