CS2253-COMPUTER ORGANISATION AND ARCHITECTURE

Question bank
Unit !
1. Explain the basic functional units of system
2. Explain the basic operational concepts of a processor
3. Explain the various addressing modes
4. What are the instruction types and instruction formats
5. Write short notes on RISC and CISC
ALU design
1. Booth algorithm for multiplication
2. 16 bit addition and subtraction of signed numbers
3. 16 bit carry look ahead adder
UNIT II
1. Explain the hardwired control unit
2. Explain the microprogrammed control unit
3. Explain multiple bus organisation
4. Explain nanaprogramming
UNIT III
1. Explain how pipelining helps to speedup the processor
2. Discuss the hazards to be taken care in a pipelined processor
3. Give the sequence of control signals to be generated to fetch an instruction from memory in a single bus organisation
UNIT IV
1. Discuss the various mapping schemes used in cache
2. Discuss the address translation mechanism and the different page replacement policies used in a virtual memory
3. Discuss the concept of memory interleaving and give its advantages
4. Explain in detail the internal organisation of memory chip
5. Explain the secondary storage devices
UNIT V
1. Explain the use of interrups in processor
2. Discuss the data transfer mechanism in PCI bus
3. Discuss the data transfer mechanism in SCSI bus
4. Discuss the salient features of USB bus
5. Explain the USB protocols
6. Explain how data may be transferred from a hard disk to memory using DMA including arbitration for the bus
7. Assume a sysnchronous bus draw the timing disgram showing the data transfer..