Computer Systems - Computer Systems Flashcards

1
Q

What is a computer?

A

A machine the processes data

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2
Q

What is the purpose of a computer?

A

To take data, process it and then output it - creates to process data and complete tasks more efficiently than humans

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3
Q

What does a computer system consist of?

A

Consists of hardware and software that work together to process data and complete tasks

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4
Q

What is hardware?

A

The physical components of the computer

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5
Q

What are examples of hardware?

A

CPU
Motherboard
Monitor
Printer

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6
Q

What are peripherals?

A

External pieces of hardware

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7
Q

What are examples of peripherals?

A

Keyboard
Mouse
Printer

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8
Q

What is software?

A

The programs a computer runs:
Application software
System software

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9
Q

What is application software?

A

Programs that help the user perform specific tasks

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10
Q

What are examples of application software?

A

Word processors
Web browsers
Database software
Games

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11
Q

What is system software?

A

Programs that run a computer’s hardware and applications and manage its resources, such as its memory, processors, and devices

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12
Q

What are some types of computer systems?

A

Calculators
Watches
Supercomputers

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13
Q

What are the 2 things computers can be?

A

Dedicated system
General purpose

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14
Q

What are general purpose computers?

A

Computers designed to perform many tasks:
PCs and tablets

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15
Q

What are dedicated system computers?

A

Computers dedicated for 1 particular function:
Controlling traffic lights
Controlling an aeroplane

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16
Q

What are embedded systems?

A

Computers built into other devices - usually dedicated systems

17
Q

What are examples of embedded systems?

A

Dishwashers
Microwaves
TVs

18
Q

How are embedded systems often used?

A

As a control systems - they monitor and control machinery in order to achieve a desired resilt

19
Q

What is an example of how embedded systems are used?

A

In a dishwasher they can:
Control water pumps and water release mechanisms
Manage the various dishwasher cycles
Control the thermostat