OCR A-Level Computer Science: Topic 1.1 CPU Characterists

OCR A-Level Computer Science: Topic 1.1 CPU Characterists

12th Grade

30 Qs

quiz-placeholder

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OCR A-Level Computer Science: Topic 1.1 CPU Characterists

OCR A-Level Computer Science: Topic 1.1 CPU Characterists

Assessment

Quiz

Computers

12th Grade

Medium

Created by

Daniel Chandler

Used 3+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component is responsible for carrying out arithmetic and logical operations in the CPU?

Control Unit (CU)

Arithmetic Logic Unit (ALU)

Memory Address Register (MAR)

Accumulator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the control unit (CU) within the CPU?

Perform arithmetic calculations

Manage input/output devices

Decode and execute instructions

Store data

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which register holds the address of the next instruction to be fetched?

MAR

MDR

PC

ACC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the Memory Data Register (MDR)?

Stores the result of ALU operations

Holds data being transferred to or from memory

Holds the current instruction

Stores addresses

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of processor executes one instruction at a time?

RISC

CISC

Dual-core

Multi-threaded

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an advantage of RISC architecture over CISC?

More complex instructions

Faster clock speed

Simpler hardware design

More power consumption

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor is least likely to affect CPU performance?

Clock speed

Number of cores

GPU model

Cache size

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