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Control Unit in Computer Processors

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Questions and Answers

What is the purpose of an instruction code in a computer system?

To specify the operation to be performed by the computer (correct)
To define the layout of the computer's hardware components
To store the memory address of an operand
To manage the power consumption of the computer

How is the operation code (op code) related to the total number of operations available in a computer?

It has a fixed number of bits regardless of available operations
It must consist of at least n bits for 2n distinct operations (correct)
It decreases as the number of operations increases
It is unrelated to the total number of operations

What is the function of the accumulator register in a computer system?

To store the instruction codes
To perform operations with memory operands and data (correct)
To manage the memory address allocation
To control the power supply to the processor

Which part of an instruction code format specifies the address of an operand?

Op Code (B) Signup and view all the answers

What is an effective address in computer instructions?

The target address in a branch-type instruction (C) Signup and view all the answers

Which is the most common addressing mode used to define operand addresses and operations?

Immediate (C) Signup and view all the answers

What is the function of a Control Unit in a computer processor?

Convert input information into control signals (D) Signup and view all the answers

Which components of a computer system receive the control signals from the Control Unit?

Logic unit and memory (B) Signup and view all the answers

How does a Control Unit communicate instructions to the processor?

By converting binary code into micro-operations (D) Signup and view all the answers

What does the term 'Stored Program Concept' refer to in relation to a computer system?

Storing both instruction codes and data in memory (A) Signup and view all the answers

Which factor determines the functions performed by a Control Unit in a computer system?

The type of CPU being used (A) Signup and view all the answers

What is the role of a control register in executing instructions in a computer processor?

Interpreting binary code into micro-operations (B) Signup and view all the answers

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