Welcome to the 80386 and 80486 Microprocessor MCQs Page

Dive deep into the fascinating world of 80386 and 80486 Microprocessor with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of 80386 and 80486 Microprocessor, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of 80386 and 80486 Microprocessor, 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 80386 and 80486 Microprocessor. 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 80386 and 80486 Microprocessor. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

80386 and 80486 Microprocessor MCQs | Page 8 of 13

Explore more Topics under Microprocessor

01

Microprocessor Basics

02

Microprocessor Components

03

8086 Instruction Set

04

DMA

05

80286 80287 Microprocessor

06

Microprocessor Architecture

07

Pentium 4 processor

08

RISC Architecture

09

Microcontroller 8051

10

Intel 8085 Microprocessor

11

Special Architectural Features and Programming

12

Peripherals and Interfacing with 8086

13

Multimicroprocessor Systems

14

Recent Advancements in Microprocessor Architecture

Q71.

The TYPE field of a descriptor is used to find the

descriptor type

segment type

descriptor and segment type

none of the mentioned

Discuss

Answer: (c).descriptor and segment type

Q72.

If the segment descriptor bit, S=0, then the descriptor is

data segment descriptor

code segment descriptor

system descriptor

all of the mentioned

Discuss

Answer: (c).system descriptor

Q73.

The bit that indicates whether the segment is page addressable is

base address

attribute bit

present bit

granularity bit

Discuss

Answer: (d).granularity bit

Q74.

If the Default operation size bit, D=1, the code segment operation size selected is

8-bit

16-bit

32-bit

64-bit

Discuss

Answer: (c).32-bit

Q75.

The segment descriptor contains

access rights

limit

base address

all of the mentioned

Discuss

Answer: (d).all of the mentioned

Q76.

Which of the following is not a type of segment descriptor?

system descriptors

local descriptors

gate descriptors

All are types of segment descriptor

Discuss

Answer: (d).All are types of segment descriptor

Q77.

The limit field of the descriptor is of

10 bits

8 bits

16 bits

20 bits

Discuss

Answer: (d).20 bits

Q78.

The starting address of the segment in physical memory is decided by

physical memory

segment descriptors

operating system

base address

Discuss

Answer: (c).operating system

Q79.

The total descriptors that the 80386 can handle is

16K

Discuss

Answer: (d).16K

Q80.

The advantage of pages in paging is

no logical relation with program

no need of entire segment of task in physical memory

reduction of memory requirement for task

all of the mentioned

Discuss

Answer: (d).all of the mentioned

Page 8 of 13

Welcome to the 80386 and 80486 Microprocessor MCQs Page

80386 and 80486 Microprocessor MCQs | Page 8 of 13

Explore more Topics under Microprocessor

Microprocessor Basics

Microprocessor Components

8086 Instruction Set

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

Recent Advancements in Microprocessor Architecture

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