Karteikarten

input

12hudson-forbes. Englisch 17 Karten

Karten in diesem Stapel (17)

1Keyboard EntryTo enter data (1)
Pressing letters and symbols (1)
2Concept 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)
3MouseA pointing device used as a selection tool
4TouchscreensA touchscreen 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 to 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 input 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 commands from the pre-printed buttons and can enter characters to set up date or time.
11ScannerUsed to input hard copies of pictures/images and text into a computer
12MIDI InterfaceMusic Instrument digital interface (MIDI) and is used to connect musical instruments to a computer
13Graphics tabletA graphic tablet consists of 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 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 ant number of ways
16Magnetic 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
17Chip and PinChip and PIN refers to a card with a microchip and a PIN number that can process information. it is sometimes called smartcard. The card needs to be placed in a special terminal that can read the chip. The PIN entered it 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