PMS

Page 12 of 22

#100 ________ Register holds either the address of the instruction being executed or the address of the next instruction to be executed .

A)   Program counter
B)   Memory buffer register
C)   Data register
D)   Counter register
Answer:   A

#101 System bus connects the central processing unit to ___________ on the motherboard .

A)   Register
B)   Main memory
C)   ALU
D)   Input unit
Answer:   B

#102 which of the following steps in the instruction cycle interprets the instruction?

A)   Fetch
B)   Decode
C)   Execute
D)   Write-back
Answer:   B

#103 __________ instruction is used when number of statements is to be repeated.

A)   LD
B)   LOOP
C)   JMP
D)   MOV
Answer:   B

#104 How many op-codes do a zero-Address instruction has?

A)   1
B)   2
C)   3
D)   0
Answer:   A

#105 which of the following is not arithmetic instruction?

A)   DIV
B)   MUL
C)   SUB
D)   JMP
Answer:   D

#106 ________ changes alternating current (AC) to low-voltage direct current (DC) to operate the processor and peripheral devices.

A)   Motherboard
B)   Power supply
C)   Output unit
D)   Register
Answer:   B

#107 which of the following is the firmware built into the computer system ?

A)   Slot
B)   RAM
C)   Port
D)   BIOS
Answer:   D

Page 12 of 22

Quick Links

New Projects
NAT - TEST
ETEA - Engineering
ETEA - ENGINEERING
ETEA - NMDCAT
ETEA - NMDCAT
New Projects
English
New Projects
Computer
Application Status
General Science
Roll Numbers
History
Results
IQ
Merit List
Sports

Quick Subject Links

Physics Mcqs
Physics
Chemistry Mcqs
Chemistry
Biology-Mcqs
Biology
Urdu Mcqs
Urdu
English Mcqs
English
Mathematics Mcqs
Mathematics