Computer Knowledge 2

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created 2 years ago by triciaking
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Basic computer terminology
updated 2 years ago by triciaking
Grade levels:
6th grade, 7th grade, 8th grade
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1

Computer

An electronic device that accepts data as input, processes the data, to produce information.

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Input

Information fed into the computer system.

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Processing

to carry out operations on data or programs.

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Output

useful information that leaves the system.

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Data

Raw material ready for processing.

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Information

Data that has been processed and turned into useful facts.

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Storage

Area of the computer that holds data on a permanent basis.

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Hertz

Measures speed of the central processing unit.

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Megahertz (MHz)

1 million cycles per second.

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Gigahertz (GHz)

1 billion cycles per second.

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Booting

the process of starting up the computer.

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Personal computer or micro computer

A personal computer based on a microprocessor.

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Desktop

Personal computer that fits on a desk - more power and storage for less cost than a laptop.

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Laptop

A portable computer - all components contained withing the laptop.

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Mainframe

Large, expensive computer that able to process data for thousands of users at the same time.

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Supercomputer

Fastest, most powerful computers available.

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Smartphone

A cell phone that offers many features including internet access and applications. (apps)

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Tablet

A wireless, portable personal computer which uses a touch screen.

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Memory

Area of the computer that temorarily holds data that is waiting to be processed, stored, or output.

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Kilobyte

1,000 Bytes

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Megabyte

1 million bytes

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Gigabyte

1 billion bytes

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Terabyte

1 trillion bytes

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Hardware

physical parts of the computer ( mouse keyboard printer cpu)

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Software

provides the computer with instructions to be completed

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System software

a program that controls some aspects of the operation of a computer. Examples Operating System, compiler, utility program.

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Application software

a program the preforms a specific function. examples word proccesing, spreadsheet, presentations, a game, a photo program.