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Welcome to the Microoperations MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Microoperations. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

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

Microoperations MCQs | Page 5 of 17

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Q41.
The stack frame for each sub routine is present in ______ .

a.

Main memory

b.

System Heap

c.

Processor Stack

d.

None of the above

Discuss
Answer: (c).Processor Stack
Q42.
The data structure suitable for scheduling processes is _______ .

a.

List

b.

Heap

c.

Queue

d.

Stack

Discuss
Answer: (c).Queue
Q43.
The sub-routine service procedure, is similar to that of the interrupt service routine in ________ .

a.

Method of context switch

b.

Returning

c.

Process execution

d.

Both a and c

Discuss
Answer: (d).Both a and c
Q44.
When an instruction is read from the memory, it is called

a.

Memory Read cycle

b.

Fetch cycle

c.

Instruction cycle

d.

Memory write cycle

Discuss
Answer: (b).Fetch cycle
Q45.
Which activity does not take place during execution cycle?

a.

ALU performs the arithmetic & logical operation

b.

Effective address is calculated

c.

Next instruction is fetched

d.

Branch address is calculated & Branching conditions are checked

Discuss
Answer: (d).Branch address is calculated & Branching conditions are checked
Q46.
Pseudo instructions are

a.

Machine instructions

b.

Logical instructions

c.

Micro instructions

d.

instructions to assembler

Discuss
Answer: (a).Machine instructions
Q47.
Which of the following is a Pseudo instruction?

a.

SPHL

b.

LXI

c.

NOP

d.

END

Discuss
Answer: (d).END
Q48.
The number of instructions needed to add a numbers and store the result in memory using only one address instruction is

a.

n

b.

n-1

c.

n+1

d.

Independent of n

Discuss
Answer: (d).Independent of n
Q49.
Computers use addressing mode techniques for _____________________.

a.

giving programming versatility to the user by providing facilities as pointers to memory counters for loop control

b.

to reduce no. of bits in the field of instruction

c.

specifying rules for modifying or interpreting address field of the instruction

d.

All the above

Discuss
Answer: (d).All the above
Q50.
_________ register keeps track of the instructions stored in program stored in memory.

a.

AR (Address Register)

b.

XR (Index Register)

c.

PC (Program Counter)

d.

AC (Accumulator)

Discuss
Answer: (c).PC (Program Counter)
Page 5 of 17

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