SRM University 2007 B.Tech Computer Science and Engineering BANK: CS 208 – COMPUTER ORGANIZATION AND ARCHITECTURE - Question Paper

7. What are the sequence of micro operations for fetch cycle?
8. What are the sequence of micro operation for execution?
9. What are the techniques to design a control unit?
10. Define micro operation
11. Define micro instruction.
12. Define microprogramming.
13. What are the various methods to design hardware control logic?
14. List out the advantages of micro programming.
15. What are the factors to improve the speed of micro programming?
16. What are the disadvantages of micro programming?
17. Define control memory.
18. Compare hardware control unit and micro programming control unit.
19. What is micro programming Sequencing.
20. What are the design considerations of micro program sequencer?
21. What is the necessity of grouping control signals?
22. Give the ways to decrease number of bits in micro instruction.
23. List the 2 techniques used for grouping of control signals.
24. Compare horizontal and vertical micro programming.
25. What are the various branching techniques used in micro programmed control unit.

Part B
1. Draw and discuss typical hardware control unit.
2. What is micro programming and discuss briefly micro programmed control unit.
3. Design and discuss the control unit using delay element method.
4. Design and discuss the control unit using state table method .
5. Design and discuss the control unit using sequence counter method.
6. A) Compare hardwired and micro programming unit.
B) List their advantages and disadvantages.
7. What is micro program sequencing ? and discuss the function done by micro program sequencers.
8. Explain the structure of micro programmed control unit to generate next address.
9. Give a detail note on micro instruction format.
10. What is pipelining? discuss the structure of instruction pipelining.
11. How does conditional branch instruction affect the performance of instruction pipelining ? discuss with the help of timing diagram.
12. Explain the different approaches to deal with conditional branching
13. Write a short note on.
i) Hardwired Control Unit.
ii) Micro Programming Control Unit.






UNIT – IV
PART – A
1. Briefly discuss the characteristics of memory system.
2. What are the 2 kinds of access to access the memory.
3. Give the memory hierarchy of a computer system.
4. List out the different kinds of semiconductor memory.
5. What do you mean by static memory?
6. Compare static RAM and Dynamic RAM.
7. What is meant by flash memory.
8. What is cache memory.
9. Define cache bit ratio.
10. What are the basic schemes for efficient utilization of cache memory?
11. What is meant by locality of reference?
12. What is paging ?
13. Define segmentation.
14. What is meant by content addressable memory?
15. What are the major objectives for designing a memory sub systems?
16. List out the properties which are hierarchy for the reliable recording of digital data of a magnetic medium.

Part B
1. Discuss static memory cell with proper circuit with an example.
2. Brief explain about dynamic memory cell with example.
3. Draw and discuss the Dynamic RAM with refresh logic.
4. Explain the working principle and constructing CCD.
5. Explain the working principle of CAM (or) associative memory.
6. What are the various mapping schemes deployed in virtual memory and discuss.
7. Discuss the subsequent any two.
a) Magnetic Tape.
b) Magnetic Device.
c) Controllers.

8. With a neat sketch, discuss the functions of floppy disk controller.


UNIT - V
Part A
1. What are the 2 formats of data transfer.
2. Draw the basic structure of serial data format.
3. What is the need of Bus interface
4. What is meant by Bus Arbitration
5. State the difference ranging from memory mapped and I/O mapped I/O
6. Define DMA
7. What are the kinds of DMA.
8. Define I/O interrupt.
9. Define Polling.
10. State the difference ranging from programmed and Non programmed data transfer.
11. Define IOP/NDD
12. Name any four Input devices.
13. Name any four out put device.
14. State the difference ranging from impact and non impact printers
15. Define Raster scan display.
16. Draw a block diagram of graphic display controller.
Part B
1. Explain synchronous and Asynchronous data transfer with the help of timing diagram.
2. Draw and discuss the functions of UART
3. Write short notes in DMA with example.
4. Explain the concept of vectored interrupt.
5. Draw and discuss any 1 of the I/O channel in detail manner.
6. What are the various kinds of printer and discuss.
7. Draw and discuss the operations of CRT.

Earning:   Approval pending.