These allow computers to communicate with each other
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Modem
Now out of date / First technology to connect computers to communicate via the phone / Converts digital signals into analogue signal and back again.
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Network interface card
an electronic device that connects a computer to a computer network, usually a LAN. It is considered a piece of computer hardware. Today, most computers have network cards.
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Terminal adaptor
Allows the computer to link into an integrated services digital network (ISDN)
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Wireless router
Converts internet signal into a wireless signal
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output devices
These allow the computer to communicate with the user through these devices
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monitor
The most common output device is the monitor or VDU.
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plotter
A plotter can be used to produce high quality, accurate, A3 size or bigger drawings.
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headphones
Headphones and earphones consist of a pair of small loud speakers which are worn over or in the ears
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speaker
plays sound out loud
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Braille terminal
it opens up the wonderful world of reading for sight impaired people
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Laser printers
quite expensive to buy and run but produce a high quality output and are quiet and fast.
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Ink-jet printers
offer black and white or colour printing with reduced levels of quality and speed. Colour ink jet printers are cheaper to buy than colour laser printers.
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Dot matrix printers
are not so common today. They are comparatively noisy and low quality but are cheap to run and are used when carbon copies or duplicates need to be made, such as for wage slips.
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Input devices
Input devices enable the user to communicate with the computer through different devices.
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keyboard
Most common methods of inputting data or instructions on a computer
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joystick
In computers, a joystick is a cursor control device used in computer games and assistive technology. It usually appears as a stick with some form of shape on top, you move the stick to control, typically, the character in a game.
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image scanner
An image scanner is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. E.g. can be used in supermarkets to read barcodes.
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A sip-and-puff switch
a device that is specifically made for those who cannot move any of their limbs as a way to put input into a computer.
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Webcam
a video camera connected to a computer, allowing its images to be seen by Internet users.
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Graphics tablet
input device consisting of a flat, pressure-sensitive pad which the user draws on or points at with a special stylus, to guide a pointer displayed on the screen.
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Foot mouse
A foot mouse is a form of pedal that an individual with limited or no use of their arms.
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Other cards in this set
Card 2
Front
Modem
Back
Now out of date / First technology to connect computers to communicate via the phone / Converts digital signals into analogue signal and back again.
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