AQA Computer Science GCSE Revision - Computer Systems

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 five parts to the CPU are:

• transistors, processing things

• Control Unit, Arithmetic Logic Unit, Cache, Clock, Buses

• Power supply, fan

• CU, ALU, Cache, Clock, Buses, Registers

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

• Von Neuman

• Van Neumann

• Van Neuman

• Von Neumann