AQA GCSE CS Unit 4 - Computer Systems (and other revision)

What is a computer?

• A machine that processes letters.

• A machine that processes information.

• A machine that processes data.

• A machine that processes stuff.

The physical stuff that makes up the computer is called...

• Software

• Hardware

Programs that a computer system runs is known as....

• Software

• Hardware

Application software is...

• help the user run specific tasks like word processors, web browser, email, clients, games, etc

• run tasks like the operating systems, utilities, etc

• help the user run things down

• run tasks like the doing my homework, revision, etc

What runs tasks like the operating systems, utilities, etc

• Embedded systems

• Application software

• System software

• Dedicated systems

Embedded systems are computers inside a larger system...examples of this...

• an aeroplane

• microwaves

• traffic lights

• dishwashers

What would I find on a motherboard?

• power supply

• CPU

• graphics card

• hard disk drive

• case cooling fan

The Brain of the Computer...

• Central Processing Information

• Central Processing Unit

• Centrel Processing Unicorn

• Central Processing Chip

The chap who came up with the design in 1945 that shows how computers work...

• Von Neuman

• Van Neumann

• Van Neuman

• Von Neumann

The CPU carries out instructions, one after another, billions of times a second is known as...

• The Fetch-Execute Cycle

• The Fetch-Decode-Execute Cycle

• The Fetch-Breakdown-Execute Cycle

• The Fetch-Breakdown-Sign out Cycle