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Assembly Language Programming MCQ Questions and Answers

1 Assembly language programs are written using
A Hex code
B Mnenonics
C ASCII code
D None of these

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

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

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

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

Answer: Option [A]


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