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Computer Microprocessor and Assembly Language MCQs | Page - 3

Dear candidates you will find MCQ questions of Computer Microprocessor and Assembly Language here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

Q. 21) ________ memory system which is discussed later can improve matters in this respect

(A) Data memory
(B) Cache memory
(C) Memory
(D) None of these
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Q. 22) _______ Stores the instruction currently being executed

(A) Instruction register
(B) Current register
(C) Both a and b
(D) None of these
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Q. 23) _________ Was more common year

(A) CRT
(B) TTL
(C) Both A and B
(D) None of these
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Q. 24) 34H & AX which operation is performed here

(A) Input
(B) Output
(C) Progress
(D) None of these
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Q. 25) 8254 can operate how many operating modes

(A) 2
(B) 4
(C) 6
(D) 8
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Q. 26) 8254 counters can count in the

(A) Binary
(B) Decimal
(C) Hexadecimal
(D) a & b
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Q. 27) 8254 gate of a counter is to either

(A) Enable counting
(B) Disable counting
(C) Both
(D) None of these
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Q. 28) 8254 programmable timer counter has two inputs signals

(A) CLK
(B) Gate
(C) Both a & b
(D) None of these
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Q. 29) A ____________ on this pin indicates a memory operation

(A) Low
(B) High
(C) Medium
(D) None of these
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Q. 30) A central processing unit, fabricated on a single chip of semiconductor is called

(A) Microprocessor
(B) RAM
(C) ROM
(D) None of these
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