Classical

Computer Organization Architecture - Machine instructions and addressing modes

31:   The differences between PLA and ROM is
A. PLA is combinational ROM is sequential
B. PLA economises on the number of minterms
C. PLA has fixed AND array, ROM has fixed NAND array
D. None of the above
 
 

Option: B

Explanation :


32:   The control unit of computer
A. Performs ALU operations on the data
B. Controls the operation of the output devices
C. Both (a) and (b)
D. Directs the other unit of computers
 
 

Option: D

Explanation :


33:   The ALU of a computer normally contains a number of high speed storage elements called
A. Semi conductor memory
B. Registers
C. Hard disk
D. IC
 
 

Option: B

Explanation :


34:   The unit of a computer system which executes program, communicates with and often controls the operation of other subsystems of the computer is the
A. CPU
B. Control unit
C. Both (a) and (b)
D. Peripheral unit
 
 

Option: A

Explanation :




Suggest an improvement