Contents

Which of the following signals are used in control bus?
a) read & write
b) interrupt
c) acknowledged         
d) all of these

d

What is the size of control bus?
a) 8-16 bits                  
b) 8-32 bits
c) 8-64 bits                  
d) none of these

a

CPU Operations


How many steps that CPU uses in their operations?
a) one  
b) two 
c) three
d) four

d

Explanation: fetch, decode, execute, store


Instructions and their types


How many fields are in instruction?
a) one  
b) two 
c) three 
d) four

b

Explanation: operation code, operand