AQA GCSE Computer Science (8525)

3.4: Computer Systems: revision quiz and key terms

Free practice for 3.4: Computer Systems in AQA GCSE Computer Science (8525). It has 5 parts: 3.4.1 Hardware and Software, 3.4.2 Boolean Logic, 3.4.3 Software Classification, 3.4.4 Classification of Programming Languages and Translators and 3.4.5 Systems Architecture. Try the questions, then check the key terms.

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Question 1 · Multiple choice

Which of the following correctly classifies an antivirus program?

Question 2 · True or false?

An AND gate only outputs 1 when all of its inputs are 1.

Question 3 · Multiple choice

In Boolean expressions, how is the NOT gate typically represented?

Question 4 · True or false?

Solid state storage relies on a spinning magnetic disk to store data.

Question 5 · Multiple choice

Which type of translator converts assembly language into machine code?

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Key terms for 3.4: Computer Systems

Assembler
A translator that converts assembly language into machine code.
Boolean expression
A way of writing the logic performed by a circuit using symbols for AND, OR, XOR and NOT.
Embedded system
A computer system built into a device to perform one specific function.
Hardware
The physical, tangible components of a computer system.
Magnetic storage
A type of secondary storage that stores data as magnetised regions, such as on a hard disk drive's spinning platters or on magnetic tape.
Software
The programs that run on a computer system.
System software
Software, such as an operating system or utility program, that manages and maintains the computer.
Utility program
System software that performs a specific maintenance task, such as encryption, defragmentation or backup.

What 3.4: Computer Systems covers

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