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21 Cards in this Set
- Front
- Back
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What is an input device? |
A hardware device used to input data into a computer for processing |
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Keyboard |
Input device which uses labelled keys to enable data input into a computer system |
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Mouse |
Input device that controls the movement of a pointer on the screen, based on its own movement and allows the user to select things through pressing a button |
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Touch screen |
An input & output device. A touch sensitive surface that allows the user to select, control, or move objects by touching icons and symbols using fingers |
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Microphone |
An input device for capturing sound |
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Camera |
An input device to capture still or moving images |
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Bar code scanner |
An input device which captures thin black and white lines which represent a number |
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RFID (Radio frequency identification) reader |
An input device for reading data from RFID tags |
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Sensor |
An input device which can detect physical conditions such as temperature, weight, light, sound etc |
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Eye typer |
An input device for a user with limited physical mobility. A camera tracks the movement of a users eye to see which key they are looking at, a slow blink selects the key |
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Puff / suck switch |
An input device for a user with severely limited physical mobility. It is a swicth which can be operated by blowing into or sucking a small tube |
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Foot mouse |
An input device for a user with limited hand use. This device is a track ball device that can be operatied with the foot. |
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Braille keyboard |
An input device for a user with limited visibility. This keyboard has rasied embossed patterns on each key that match the standard braille characters |
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What is an output device? |
A hardware device that is used to output data that has been processed, from a computer |
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Monitor |
An output device that can display images (including moving images) and text |
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Printer |
An output device that produces physical copies of output from a computer system |
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Speaker |
An output device that outputs sound |
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Actuator |
An output device that produces physical movement |
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Screen reader |
A range of output devices that convert screen output into audible speach or braille |
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Actuator (disability) |
Actuators can be used to produce movement e.g. opening doors, raising / lowering ramps for those that have limited or no movement of their own. |
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Voice synthesisers |
Spoken output from a computer for those unable to communicate verbally (e.g. Stehen Hawking) |
