MCQs on 8085 Instruction set, Addressing Modes & Machine cycles | NPTEL assignment Q&A

In this post, we present 15 MCQs with answers on the 8085 Instruction set, addressing modes, and Machine cycles. (These questions are NPTEL assignment questions on 8085).

We have distributed these questions among 3 back-to-back pages, and you can move among these pages freely using the next buttons given at the end of each of the 3 pages.

MCQs on 8085 Instruction set, Addressing Modes & Machine cycles | NPTEL assignment (page 1/3)

1) In 8085, which instruction can be used to clear A register using the minimum number of clock cycles?

Answer: B

2) The content of the accumulator after the execution of the following instruction will be

MVI A,B7H

ORA A

RAL

Answer: A

3 ) Match List-I and List-II and select the correct answers

Answer: A

4 ) In the 8085 microprocessor, the address for ‘TRAP’ input is

Answer: A

5 ) Which one of the following is not a general operation of machine cycle in a central processing unit?

Answer: C

MCQs on 8085 Instruction set, Addressing Modes & Machine cycles | NPTEL assignment Q&A
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