SRM University 2007 B.Tech Electronics and Communications Engineering Bank of : Computer Architecture

18. describe Cisc
19. provide the characteristics of Risc structure.
20. Comparison ranging from Risc and Cisc.

PART B

1. Explain the DMA operation with necessary diagram.
2. Explain how the processor responds to an Interrupt.
3. a) discuss the various parameters in instruction set design?.
b) discuss the elements of a machine instruction.
4. Discuss CPU register organization with an example.
5. Explain the Data flow during instruction cycle with instruction state diagram.
6. Write notes on instruction pipelining.
7. Explain Risc architecture.





UNIT- III
PART-A

1. What are the micro-operations involved in the fetch cycle?
2. What are the rules involved in grouping of micro-operations?
3. What is micro-operation?
4. Give an example for execute cycle.
5. Draw the model of a control unit.
6. What are the inputs to a control unit?
7. How control units are generally implemented?
8. What are the advantages of microprogramming?
9. What is microinstruction?
10. What is parallel processing?
11. What are the kinds of parallel processing available?
12. Draw mesh interconnection topology used in MIMD.
13. Write few interconnection topology used in parallel processor.
14. Write the kinds of multiprocessing.
15. Write any 2 key features of a multiprocessor.
16. What is an array processor?
17. Draw the diagram of pipelined ALU.
18. Draw the diagram of parallel ALU.
19. Define MIMD.
20. Define SISD.
21. What is microinstruction sequencing?
22. What is microinstruction execution?
23. List the elements of a multiprocessor system.
24. List the inter connection schemes in multiprocessor system.


PART-B

1. How instruction cycle is subdivided into micro operations? discuss them.
2. Explain how hardwired implementation of control unit is done.
3. Draw and discuss micro programmed control unit.
4. With a neat block diagram, discuss the tightly coupled multiprocessor system.
5. Explain about array processor
6. Explain about multiprocessor
7. Explain about Pipeline processing



UNIT – IV
PART – A

1. What is the difference ranging from microprocessor and microcontroller?
2. What are the addressing modes of 8051?
3. List out the registers in 8051.
4. How will you classify the instructions of 8051?
5. Give the flag register format of 8051.
6. What are the modes of timer in 8051?

Earning:   Approval pending.