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Welcome to the Microprocessor Basics MCQs Page

Dive deep into the fascinating world of Microprocessor Basics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Microprocessor Basics, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of Microprocessor Basics, 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.

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Check out the MCQs below to embark on an enriching journey through Microprocessor Basics. 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 Microprocessor Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Microprocessor Basics MCQs | Page 1 of 8

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Q1.
The devices that provide the means for a computer to communicate with the user or other computers are referred to as:

a.

CPU

b.

ALU

c.

I/O

d.

none of the above

Discuss
Answer: (c).I/O
Q2.
The software used to drive microprocessor-based systems is called:

a.

assembly language

b.

firmware

c.

machine language code

d.

BASIC interpreter instructions

Discuss
Answer: (a).assembly language
Q3.
The circuits in the 8085A that provide the arithmetic and logic functions are called the:

a.

CPU

b.

ALU

c.

I/O

d.

none of the above

Discuss
Answer: (b).ALU
Q4.
The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.

a.

control bus

b.

control instructions

c.

address decoder

d.

CPU

Discuss
Answer: (c).address decoder
Q5.
How many bits are used in the data bus?

a.

7

b.

8

c.

9

d.

16

Discuss
Answer: (b).8
Q6.
Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:

a.

flags

b.

registers

c.

monitors

d.

decisions

Discuss
Answer: (a).flags
Q7.
When referring to instruction words, a mnemonic is:

a.

a short abbreviation for the operand address

b.

a short abbreviation for the operation to be performed

c.

a short abbreviation for the data word stored at the operand address

d.

shorthand for machine language

Discuss
Answer: (b).a short abbreviation for the operation to be performed
Q8.
The technique of assigning a memory address to each I/O device in the computer system is called:

a.

memory-mapped I/O

b.

ported I/O

c.

dedicated I/O

d.

wired I/O

Discuss
Answer: (a).memory-mapped I/O
Q9.
What type of circuit is used at the interface point of an output port?

a.

decoder

b.

latch

c.

tristate buffer

d.

none of the above

Discuss
Answer: (b).latch
Q10.
I/O mapped systems identify their input/output devices by giving them a(n) ________.

a.

8-bit port number

b.

16-bit port number

c.

8-bit buffer number

d.

8-bit instruction

Discuss
Answer: (a).8-bit port number
Page 1 of 8

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