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Welcome to the Microprocessor Architecture MCQs Page

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

Microprocessor Architecture MCQs | Page 1 of 18

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Q1.
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

a.

0030H

b.

0024H

c.

0048H

d.

0060H

Discuss
Answer: (a).0030H
Q2.
HLT opcode means

a.

load data to accumulator

b.

store result in memory

c.

load accumulator with contents of register

d.

end of program

Discuss
Answer: (d).end of program
Q3.
What is SIM?

a.

Select interrupt mask

b.

Sorting interrupt mask

c.

Set interrupt mask

d.

None of these

Discuss
Answer: (c).Set interrupt mask
Q4.
The ROM programmed during manufacturing process itself is called

a.

MROM

b.

PROM

c.

EPROM

d.

EEPROM

Discuss
Answer: (a).MROM
Q5.
A field programmable ROM is called

a.

MROM

b.

PROM

c.

FROM

d.

FPROM

Discuss
Answer: (b).PROM
Q6.
The operations executed by two or more control units are referred as

a.

Micro-operations

b.

Macro-operations

c.

Multi-operations

d.

Bi control-operations

Discuss
Answer: (b).Macro-operations
Q7.
Program counter in a digital computer

a.

Counts the numbers of programs run in the machine.

b.

Counts the number of times a subroutine is called.

c.

Counts the number of times the loops are executed.

d.

Points the memory address of the next instruction to be fetched.

Discuss
Answer: (d).Points the memory address of the next instruction to be fetched.
Q8.
At the beginning of a fetch cycle, the contents of the program counter are

a.

incremented by one.

b.

transferred to address bus.

c.

transferred to memory address register.

d.

transferred to memory data register.

Discuss
Answer: (c).transferred to memory address register.
Q9.
Which components are NOT found on chip in a microprocessor but may be found on chip in a micro-controller?

a.

SRAM & USART

b.

EPROM & PORTS

c.

EPROM, USART & PORTS

d.

SRAM, EPROM & PORTS

Discuss
Answer: (c).EPROM, USART & PORTS
Q10.
For the purpose of data processing an efficient assembly language programmer makes use of the general purpose registers rather than memory. The reason is

a.

the set of instructions for data processing with memory is limited

b.

data processing becomes easier when register are used

c.

more memory related instructions are required

d.

data processing with registers takes fewer cycles than that with memory

Discuss
Answer: (d).data processing with registers takes fewer cycles than that with memory
Page 1 of 18

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