Kurukshetra University 2010 B.Tech Computer Science and Engineering Computer Architecture and Organization - Question Paper

BT-/JX
Computer Architecture and Organization
Paper:CSE-202E
Time:Three Hours
maximum marks:100
NOTE:Attempt 5 questions,selecting at lowest 1 ques. from every unit.
UNIT-1

Q.1 (a) discuss MIPS and MFLOPS.
(b) Write note on performance metrics.
(c) discuss the Flynn's classification of computer system architecture.

Q.2 (a) explain Computer Instruction cycle and Execution cycle with the help of suitable example.
(b) explain the advantage of Risc architecture over Cisc architecture.

UNIT-2

Q.3 (a) What is the role of memory wait cycles in the designing learn and write access by the processor to main memory?
(b) discuss the instruction cycle and its phases.

Q.4 (a) List the number and size of registers needed for implementing shift and add multiplication in a processor.
(b) explain the Accumulator based CPU.Also discuss the design of accumulator.

UNIT-3

Q.5 A digital computer has a memory unit of 64K*16 and a cache memory of 1K words.the cache uses direct mapping with a block size of 4 words.

(a) how many blocks can be cache accommodate?
(b) how many bits are there in the tag,index,block,and words field of the address format?
(c) how many bits are there in every word of cache ,and how they are divided into functions?

Q.6 (a) What is the advantage of set-associative mapping over direct mapping ? State the difference ranging from a cache line and a cache block?
(b) elaborate the various kinds of semiconductor memories ? provide their merits and demerits.

UNIT-4

Q.7 (a) discuss Isolated versus memory mapped I/O with their advantages and disadvantages.
(b) discuss Asynchronous Data Transfer.

Q.8 Write notes on :
(a) DMA controller
(b) Address sequencing
(c) Cache memory

Earning:   Approval pending.