KS3 Computing (Years 7–9)

Understanding Computers: Hardware and Software: revision quiz and key terms

Free practice for Understanding Computers: Hardware and Software in KS3 Computing (Years 7–9). It covers: input-process-output-storage, CPU, RAM and ROM, storage types, input/output devices, hardware vs software, operating systems, data units, embedded systems, motherboard and GPU. Try the questions, then check the key terms.

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Question 1 · Multiple choice

A calculator adds 5 and 3, then shows 8. Which stage is adding the numbers?

Question 2 · True or false?

The operating system manages memory and lets you run apps.

Question 3 · Multiple choice

Which part of a computer carries out program instructions?

Question 4 · True or false?

Software means the physical parts of a computer that you can touch.

Question 5 · Multiple choice

What does an operating system do?

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Key terms for Understanding Computers: Hardware and Software

Cloud storage
Keeping files on servers owned by a company and reaching them over the internet.
Embedded system
A small computer built inside a device to do one dedicated job.
Input device
Hardware used to put data into a computer, such as a microphone.
Motherboard
The main circuit board that connects all the parts of a computer together.
ROM
A chip whose contents can't easily be changed; it holds the start-up instructions.
Solid state drive
Fast internal storage with no moving parts, used instead of a spinning disk.
Terabyte
About 1,000 gigabytes; a common size for a large hard drive.
USB flash drive
A small portable stick you plug in to carry files between computers.

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