Flashcards
Input
Cards in this deck (18)
- 1keyboard entrythe use of a keyboard to enter data , the user presses the letters and symbols
- 2concept keyboards-specialized or concept keyboards are used in business e.g. pubs or fast food restaurants where the keyboard is pre programmed with specific keys for food items.
- 3mousea pointing device used as a selection tool.
- 4touch screensa touch screen can detect exactly where on the 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
- 7webcamare used as input into a computer system as part of a video conferencing system
- 8digital video recordersused to take video films which can be imputed into a computer.
- 9microphoneused to input sound into a computer system and often used for voice recognition systems
- 10remote controlthe remote controller (often called remote) can be switched on electronic devices such as televisions or hard disk video recorders. They issue m commands from the pre printed buttons and can enter characters to set the date and time
- 11scannerused to input hard copies of pictures/images and text into a computer.
- 12midi interfacemusical instrument digital interface (midi) and is used to connect musical instruments to 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
- 15input deviceused to enter data into a system
- 16Sip and Puff devicethis kind of switch is excellent for someone with limited physical mobility.
The puff sip switch tube is placed in the mouth as the person sips or blows, a switch connected at the other end goes on or off . The switch itself is then connected to the computer.
Specific software running on the computer can take input and act on it in any number of ways. - 17Magnetic Stripsmagnetic strip is a black strip on a plastic card and tends to hold static information useful for information that you do not want to alter e.g. credit cards.
- 18chip and pinChip and Pin refers to card with a microchip and a pin number that can proses information. it is sometimes called a smart card. The card needs to be placed in a special terminal that can read the chip. the PIN entered is checked to see if it matches the PIN registered to the chip. If a match is identified, the required processing can take place. e.g credit card/ passports. there is now contact less- credit cards.
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- Flashcards on Input, created by 12lucas.m on 10/12/2015.
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- 12lucas.m
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