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Computer Science GCSE > Computer Systems > Flashcards

Computer Systems Flashcards

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1
Q

What does a computer system do?

A

A computer system takes a set of digital inputs, processes them and creates a set of outputs. This is done by a combination of hardware and software.

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2
Q

List some examples of an input device

A 
Keyboard
Mouse
Touchscreen
Microphone
Heat Sensor
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3
Q

Where does the processing of instructions take place?

A

The processing stage takes place within the CPU (Central Processing Unit)

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4
Q

What is another name for the CPU?

A

A Microprocessor

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5
Q

What is system software?

A

Programs that manage the operation of the computer. The system software boots up the computer when you switch it on

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6
Q

Give an example of a system software

A

An ‘operating system’ such as Windows

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7
Q

What is application software?

A

Computer programs written for a specific purpose

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8
Q

Give an example of an application software

A

Word Processing Application
Music Player
Photo Editor

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9
Q

List some examples of an output device

A

Computer Monitor
Printer
LED Light
Speakers

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10
Q

What is a bus?

A

A bus is a set of wires or tracks laid down on a printed circuit board

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11
Q

List the 3 types of bus’s

A

Data Bus
Address Bus
Control Bus

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12
Q

What does the data bus do?

A

It carries data around the system. Each wire or track carries a single data bit

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13
Q

What does the address bus do?

A

It carries information on where the data needs to go or come from i.e. the data address

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14
Q

What does the control bus do?

A

It carries signals around the system to control various components such as the DVD drive, hard disk or graphics card

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15
Q

What is an embedded computer?

A

A computer designed with a specific task in mind

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16
Q

Give some examples of an embedded computer

A 
Traffic light system
Lift
Microwave oven
Used in cars and lorries
Used in smartphones
17
Q

What is hardware?

A

The physical parts of the computer e.g. graphics card

18
Q

What is software?

A

The computer programs which provide the system with instructions e.g. word processor

Computer Science GCSE (38 decks)

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