Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411503 4 IV ester(R07)Regular s, ember/ember PERFORMANCE EVALUATION OF COMPUTER SYSTEMS - Question Paper

Code :R7411503
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
PERFORMANCE valuation OF COMPUTER SYSTEMS
(Computer Science & Systems Engineering)
Time: three hours Max Marks: 60
ans any 5 ques.
All ques. carry equal marks
1. (a) define a possible sample space for the subsequent experiment. An if . . .then . . .else . . . statement
is executed 4 times.
(b) Use axioms of events to prove the relation.
i. A [ Á = Á
ii. A \ (A [ B) = A
(c) Explicitly determine the pmf of random variable X3 , the number of exchanges in program MAX
with array size n=3.
2. (a) provide a brief account on
i. Discrete uniform distribution.
ii. Imperfect fault coverage and reliability.
(b) The failure rate for a certain kind of component is ¸ (t) = at (t ¸ 0) where a >o and is constant.
obtain the component reliability and its expected life.
3. (a) Prove that for an periodic Markov chain, the limits Vj = lim
n!1
pj(n)exist.
(b) Write notes on LFU stack model.
4. (a) discuss the subsequent :
i. Recirculating networks.
ii. Cube routing functions.
(b) discuss Shu²e exchange and b Mega networks.
5. (a) discuss Illiac-IV system architecture.
(b) List out the different applications of Illiac-IV
6. (a) Brie°y discuss the subsequent terms :
i. Multiprocessor system
ii. Delta networks.
(b) discuss parallel memory organizations.
7. (a) define the subsequent :
i. Dead lock prevention
ii. Multiprocessor anomalies
(b) Write notes on stochastic scheduling models.
8. Write short notes on :
(a) Control °ow and data °ow computers
(b) elaborate the key attributes of VLSI computing structures? discuss.

Earning:   Approval pending.