Welcome to the 8086 Instruction Set MCQs Page

Dive deep into the fascinating world of 8086 Instruction Set with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of 8086 Instruction Set, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of 8086 Instruction Set, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Microprocessor.

Check out the MCQs below to embark on an enriching journey through 8086 Instruction Set. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Microprocessor.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of 8086 Instruction Set. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

8086 Instruction Set MCQs | Page 6 of 9

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Q51.

If the data is present in a register and it is referred using the particular register, then it is

direct addressing mode

indexed addressing mode

immediate addressing mode

Discuss

Answer: (b).register addressing mode

Q52.

The instruction, MOV AX,[BX] is an example of

direct addressing mode

Discuss

Answer: (d).register indirect addressing mode

Q53.

If the offset of the operand is stored in one of the index registers, then it is

based indexed addressing mode

relative based indexed addressing mode

indexed addressing mode

none of the mentioned

Discuss

Answer: (c).indexed addressing mode

Q54.

The addressing mode that is used in unconditional branch instructions is

intrasegment direct addressing mode

intrasegment indirect addressing mode

intrasegment direct and indirect addressing mode

intersegment direct addressing mode

Discuss

Answer: (b).intrasegment indirect addressing mode

Q55.

If the location to which the control is to be transferred lies in a different segment other than the current one, then the mode is called

intrasegment mode

intersegment direct mode

intersegment indirect mode

intersegment direct and indirect mode

Discuss

Answer: (d).intersegment direct and indirect mode

Q56.

The instruction, JMP 5000H:2000H;
Is an example of

intrasegment direct mode

intrasegment indirect mode

intersegment direct mode

intersegment indirect mode

Discuss

Answer: (c).intersegment direct mode

Q57.

The contents of a base register are added to the contents of index register in

indexed addressing mode

based indexed addressing mode

relative based indexed addressing mode

based indexed and relative based indexed addressing mode

Discuss

Answer: (d).based indexed and relative based indexed addressing mode

Q58.

The instruction that adds immediate data/contents of the memory location specified in an instruction/register to the contents of another register/memory location is

SUB

ADD

MUL

DIV

Discuss

Answer: (b).ADD

Q59.

In general, the destination operand of an instruction can be

memory location

immediate data

memory location and register

Discuss

Answer: (d).memory location and register

Q60.

Which of the following is a mnemonic?

ADD

ADC

AAA

ADD and ADC

Discuss

Answer: (c).AAA

Page 6 of 9

Welcome to the 8086 Instruction Set MCQs Page

8086 Instruction Set MCQs | Page 6 of 9

Explore more Topics under Microprocessor

Microprocessor Basics

Microprocessor Components

DMA

80286 80287 Microprocessor

Microprocessor Architecture

Pentium 4 processor

RISC Architecture

Microcontroller 8051

Intel 8085 Microprocessor

Special Architectural Features and Programming

Peripherals and Interfacing with 8086

Multimicroprocessor Systems

80386 and 80486 Microprocessor

Recent Advancements in Microprocessor Architecture

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