Assembly Language Programming Mulktiple Choice Questions and Answers

Questions

6 In 8085 microprocessor, the value of the most significant bit of the result following the execution of any arithmetic or Boolean instruction is stored in the

A carry status flag

B auxiliary carry status flag

C sign status flag

D zero status flag

View Answer Comment

Answer: Option [C]

7 Instructions performing actions in assembly language are called

A imperative statements

B declarative statements

C directive statements

D none of the above

View Answer Comment

Answer: Option [A]

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8 What is the content of Stack Pointer ?

A Address of the current instruction

B Address of the next instruction

C Address of the top element of the stack

D None of these

View Answer Comment

Answer: Option [C]

9 Which of the following interrupt has highest Priority?

A INTR

B TRAP

C RST 7.5

D RST 6.5

View Answer Comment

Answer: Option [B]

10 Number of machine cycles required for RET instruction in 8085 microprocessor is

A 1

B 2

C 3

D 5

View Answer Comment

Answer: Option [C]

Chapters

Digital Logic Circuits
Digital Components
Data Representation
Register Transfer and Microoperations
Assembly Language Programming
Central Processing Unit
Pipeline and Vector Processing
Computer Arithmetic
Input-Output Organization
Memory Organization

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