A - Digital Devices In IT systems Flashcards

1
Q

What are MFD’s??

A

They’re multi functional devices that perform several different purposes
E.g. printers are MFD’s because they print, scan, photocopy and fax

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2
Q

What are servers??

A

Machines designed to compute, store, and manage data, devices and systems over a network.

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3
Q

What are DAB’s??

A

Digital audio broadcasts which convert audio broadcasts to digital signals to reduce atmospheric and other interference

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4
Q

What is a GPS??

A

The Global Positioning System is an accurate worldwide navigational and surveying facility.

It uses the signals from orbiting satellites to work out the position of the device

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5
Q

What is broadband??

A

A high speed transmission technique where a wide band of of frequencies are used to transmit messages

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6
Q

what is CNC?

A

Computer Numerically Controlled (CNC) machines are automated software programs to carry out precision production of parts used in manufacturing and construction.

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7
Q

what is hardware?

A

it is physical computer equipment i.e. keyboards, mouse, monitors etc

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8
Q

what is software?

A

applications or programs which are installed onto a digital device.

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9
Q

what are input devices?

A

they are devices which interact with or send information to a computer.
They may pass information to a computer but do not store data.
i.e. keyboards, webcams, mouse, microphone

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10
Q

What are output devices?

A

they are devices that provide information from the computer to the user.
i.e: speakers, monitors, printer and projectors.
They perform functions using data or software stored in a computer.

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11
Q

what is an interface ?

A

its a point where two or more systems meet and interact.
its a device or program enabling users to communicate with computers

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