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Assembly Language Programming MCQ Questions and Answers

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Computer System Architecture and Organization multiple choice questions and answers set contain 5 mcqs from chapter Assembly Language Programming. Each quiz objective question has 4 options as possible answers. Choose your option and check it with the given correct answer.
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(1) Assembly language programs are written using
[A] Hex code
[B] Mnenonics
[C] ASCII code
[D] None of these

Comment

Answer: Option [B]

The assmebly language is a low level language. The programs for microprocessors, microcontrollers, integrated circuits and computers are written in mnenonics form. It uses ADD, SUB, MOV etc. to perform various operations.

(2) For execution of an interrupt applied at INTR, number of states required by 8085 Microprocessor are
[A] 4
[B] 6
[C] 12
[D] 18

Comment

Answer: Option [C]

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(3) In 8085 which is/are the 16 bit registers?
[A] Program Counter
[B] Stack Pointer
[C] Both [A] & [B]
[D] None of these

Comment

Answer: Option [C]
(4) How many memory locations are required to store the instruction LXIH, 0800H in an 8085 assembly language program ?
[A] 1
[B] 2
[C] 3
[D] 4

Comment

Answer: Option [B]
(5) The instruction DEC N inform the assembler to
[A] Decrement the content of N
[B] Decrement the data addressed by N
[C] Convert signed decimal number to binary
[D] none of these

Comment

Answer: Option [A]

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