Computer System Architecture B.Sc Question Paper : mlsu.ac.in
University : Mohan Lal Sukhadia University
Degree : B.Sc
Department : Computer Science
Subject : Computer System Architecture
Year : I
Document Type : Question Paper
Website : mlsu.ac.in
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MLSU Computer System Architecture Question Paper
Second Year Examination of the Three Year Degree Course, 2001 (Faculty of Science)
COMPUTER SYSTEM ARCHITECTURE
First Paper (COMPUTER SCIENCE)
Related : Mohan Lal Sukhadia University Computer Oriented Numerical Methods B.Sc Question Paper : www.pdfquestion.in/5830.html
Time : 3 Hours
[ Maximum Marks :50]
Attempt any five questions, selecting at least one question from each unit, All questions carry equal marks.
UNIT – I
1.(a) What are the different addressing modes used in 8085 microprocessor- Explain giving examples. 8
(b) What are different registers available for programming in 8085 microprocessor. 2
2. Explain the role and significance of following signals in 8085 microprocessor : 10
(i) S1 and S2(ii) ALE(iii) IO/`M(iv) HOLD(v) NMI
UNIT-II
3- What are different arithmetic operations available for 8085 microprocessor- What are zero, Auxiliary carry, parity and carry flags and when they are set-
4. Write an assemble language program to transfer 16 bytes of data from memory location starting from 2020 H to memory location starting from 3020 H. 10
UNIT-III
5. What are the different arithmetic micro-operations- Explain the operation using examples. 10
6. Compare 32 bit processors of Intel and Motorola. What is a micro programmed computer- 10
UNIT-IV
7. What is Cache memory- Explain working of a Cache memory. 10
8.(a) What is Stack- Explain its use and the different operations onit. 5
(b) Explain working of Random access memory. 5
UNIT-V
9. Explain working of DMA data transfer. Compare it with programmed I/O and interrupt driven data transfer. 10
10. Explain any two of the following : 10
(i) RS 232 C interface. (ii) Pipe line processor(iii) IEE 488