December 1999
CS202 : COMPUTER ARCHITECTURE AND DATA COMMUNICATIONS

QUESTION 2

Total Marks: 15 Marks

Click here to access other questions

Click to access
SUGGESTED SOLUTIONS
for Question 2

(a)

What is the purpose of computer memory?

 

[1]
(b)

The various types of memorymaybe described using a number of key characteristics .List two of these.

 

 [2]
(c)

Brieflydescribe the following memoryaccess methods.For each one give an example of a memorydevice which uses that method.

(i)sequential

(ii)direct

(iii)random

(iv)associative

 

 [8]
(d)

Why are cache replacement algorithms needed? How maytheyhave a significant impact on performance?

[4]