Flashcards
Input
Flashcards do conjunto (18)
- 1Concept KeyboardSpecialised or concept keyboards are used in business e.g. pubs and fast food restaurants where the keyboard is pre programmed with specific keys for food items (grid of images)
- 2MouseA pointing device used as a selection tool.
- 3Touch screensA touchscreen can detect exactly where on its surface it has been touched. Touch screens are used in railway stations for ticket purchase.
- 4JoystickThe main use is to play computer games by controlling the way something moves on the screen.
- 5Digital cameraTakes pictures and stores then on a memory card which can be transferred to a computer.
- 6WebcamAre used as input into a computer system as part as a video conferencing.
- 7Digital video recordersUsed to take video films which can be input into a computer.
- 8MicrophoneUsed to input sound into a computer system and often used for voice recognition systems.
- 9Remote controlThe remote controller (often called remote) 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 up date or time.
- 10ScannerUsed to input hard copies of pictures/images and text into a computer.
- 11MIDI interfaceMusical Instrument Digital Interface (MIDI) and is used to connect musical instruments to a computer.
- 12Graphics 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.
- 13SensorsA 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. The input device is accurate.
- 14Input DeviceUsed to enter data into a system.
- 15Keyboard entryThe use of a keyboard to enter data, the user presses the letters and symbols.
- 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 off or on. The switch itself is then connected to the computer. Specific software running on the computer can take this input and act on it in any number of ways.
- 17Magnetic stripsA magnetic 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 a card with a microchip and a PIN number that can process information. It is sometimes called a smartcard. 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 cards/passports. There is now contact-less credit cards.
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- Descrição
- FlashCards sobre Input, criado por 12lee.a em 10-12-2015.
- Criado por
- 12lee.a
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