Flashcards
2_James flash cards
Flashcards do conjunto (15)
- 1Name two features of a KEYBOARDUsed to input data (1)
Pre added keys for letters, symbols and numbers (1) - 2What is a MOUSE?A pointing device used as a selection tool.
- 3Concept KeyboardSpecialised or concept keyboards are used in business eg: pubs and fast food restaurants.
- 4Touch ScreenA touch screen can detect exactly where on its surface it has been touched. Touch screens are used in railway stations for ticket purchase.
- 5JoystickThe main use is to play computer games by controlling the way something moves on the screen.
- 6Digital CameraTakes pictures and stores them on a memory card which can be transferred onto a computer.
- 7WebcamIn-putted into a computer as part of a video conferencing system.
- 8Digital Video RecordersUsed to take video films which can be input into a computer.
- 9MicrophoneUsed to input sound into a computer system and often used for voice recognition systems.
- 10Remote ControlThe remote controller can be switched on electronic devices such as televisions or hard disk video recorders. They issue commands from the pre-printed buttons and can enter characters to set dates and times.
- 11ScannerUsed to input hard copies of images and text into a computer.
- 12MIDI InterfaceMusical Instrument Digital Interface and is used to connect musical instruments into a computer.
- 13Graphics TabletA graphics tablet consists of a flat surface and a stylus which can be used to produce freehand drawings or trace around a more complicated image.
- 14SensorsA sensor is a device that changes analogue to digital signals so the computer can process them. A sensor collects mostly analogue input- moisture, heat, pressure, etc... No human intervention is required. This input device is accurate.
- 15Sip and Puff DeviceThis kind of switch excellent for someone with limited physical mobility
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- GCSE Computer Science FlashCards sobre 2_James flash cards, criado por 12smith.j em 14-12-2015.
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