What is fetch, decode, execute?

gets next instruction, works out the task, performs the task

What does the Control Unit do?

controls all of the activities taking place within the CPU

The Accumulator does what?

Temporarily stores arithmetic and logic results

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#NHSRMA L1 CPU (A)

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A #GCSE #Computing #CPU quiz By NK

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Questions 15

Answers

1
Which is not a register in the CPU?
Control Unit
General Purpose Registers
The Brain
Program Counter
2
The ALU performs...
Backbreaking Labour
Logical/shift/arithmetic operations
Complex mathematical problens
Break dancing routines
3
PC does what?
creates new and exiting concepts
saves lives
Builds skyscrapers to into the sky to space
points to the next instruction that needs to be executed
4
CIR stands for...
Clear Instruction Register
Come Into Reality
Call In Reinforcements
Current Instruction Register
5
Von Neumann invented what?
The CPU
The stored-program computer
The Helicopter
The Internet
6
Examples of Input devices are...
Keyboard, Microphone, Webcam
Mice, Doors, Chairs
Key chain, Watch, Apples
Desks, Tables, Whieboards
7
The CPU is like...
The Heart
The Kidneys
The Brain
The Lungs
8
Main Memory is...
The main parts of a computer
The main storage region of a computer,
The main ways a computer shows trust
The main beliefs of a computer
9
Output devices are...
Monitors, Speakers, Headphones
MAR, MDR, CPU
Motherboard, RAM, ROM
PC, CIR, ALU
10
What is fetch, decode, execute?
works out the task, performs the task, gets next instruction
gets next instruction, works out the task, performs the task
performs the task, gets next instruction, works out the task
man gets stick, man returns stick, man is executed
11
What stores the address of the data?
MAR
MARKS
MARES
MARS
12
What does the Control Unit do?
Controls the beat, temp and rhythm of the orchestra
controls all of the activities taking place within the CPU
Controls the user's thoughts, feelings and decisions
Controls everything in the world, living and dead
13
ALU stands for...
All Lions Understand
Arithmetic Logistics Unit
Always Logically Utilised
Arithmetic Logic Unit
14
The Accumulator does what?
Permanently stores names and dates
Temporarily stores arithmetic and logic results
Temporarily stores hopes and dreams
Permanently stores milk and cheese
15
Which of these is not part of the CPU?
GPR
PC
HDD
ALU

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