Flashcards
Input Revision - Info 1
Flashcards do conjunto (17)
- 1InputInput means what is put in, taken in, or operated on by any process or system.
- 2OutputOutput means the amount of something produced by a person, machine, or industry.
- 3Data TypesText
Still and moving images
Numbers
Sound - 4Manual Input DevicesKeyboard
Mouse - 5Touch-sensitive devicesConcept Keyboards
Touch Screens
Graphic Tablets - 6Speech RecognitionInvolves the user speaking into a microphone. The sounds of the words are compared with a dictionary of sounds and covered into computer-readable text using speech recognition software.
- 7Card ReadersMagnetic card strips - Easy to read, but can't hold very much data. Scratches easily.
Smart card (chip-and-PIN credit card) - Can hold more data than the MCS. Use of card has to be authorised by a pin.
- 8Radio Frequency IDA way of tracking objects by attaching a transmitter that sends a signal giving the serial number and its location.
- 9Optical Mark RecognitionSenses the position of marks on data capture forms such as multiple choice exam papers or lottery entry sheets.
- 10Electronic Point Of SaleUses bar codes to enter product numbers at shop tills that are linked to stock databases.
- 11Magnetic ink character recognition (MICR)Uses magnetic ink to print characters shaped to ANSI standards which can be read and used to direct cheques and other negotiable documents to their proper financial institutions.
- 12SamplingA way of recording sound digitally so that it can be input into a computer.
- 13Sample RateNumber of times per second a sound reading is taken.
- 14Video conferencingCaptures and transmits sound and video to allow people in different locations to see and talk to each other.
- 15PixelA single dot of an image, usually rectangular or square. 1 Megapixel (Mp) is 1 million pixels.
- 16BluetoothA brand name; it is a method of transmitting data over short distances wirelessly.
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Informações
- Descrição
- A level IT (Mr Simcock) FlashCards sobre Input Revision - Info 1, criado por Katie Durcan em 17-03-2017.
- Criado por
- Katie Durcan
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