Flashcards
Untitled_1
Flashcards do conjunto (28)
- 1What is a hardware?Its all of the equipment you can see and touch. It includes the devices that you work with as well as whats in the box.
- 2What does CPU stand for?Central Processing Unit
- 3What does ALU stand for?Arithmetic Logic Unit
- 4What is a 'Motherboard' ?A piece of plastic card which electronic components in a computer are attached to.
- 5What is a 'Sound Card' ?A special set of circuits that produce sound signals which go to a loudspeaker.
- 6What is a 'Video Card' ?A set of circuits which produce electrical signals which make the image on the screen.
- 7What two types can memory come in?ROM
RAM - 8What does 'ROM' stand for?ROM- Read-Only Memory
- 9What does 'RAM' stand for?RAM- Random Access Memory
- 10What is 'CPU' also know as?'The Processor'
- 11What are input devices?Devices that are needed to put data onto a computer.
- 12What does a Keyboard do?Used for inputting data into small computer systems.
- 13What does a Mouse do?Used to select and move objects on a screen.
- 14What does a Touch Pad do?Alternative to a mouse on laptops.
- 15What does a Webcam & Microphone do?Used for chatting and video conferencing.
- 16What does a Scanner do?For digitizing images.
- 17What does a Joystick / Game controller do?Used for interacting in games.
- 18What does a Touch Screen do?Used for data input in public places, mobile phones etc...
- 19What does OCR stand for?Optical character recognition
- 20What is OCR used for?Number plate recognition e.g speed cameras.
- 21What does OMR mean?Optical Mark Recognition
- 22What is an OMR used for?Used for multiple-choice exams
Used for Lottery entries - 23What does MICR stand for?Magnetic Ink Character Recognition.
- 24What is MICR used for?Cheque processing
- 25What does OCR do?Reads human readable letters
- 26What does OMR do?Reads pen marks on pre-printed forms
- 27What is an MICR?Special ink machines that can read
- 28What is a Bar Code scanner and what is it used for?Reads the bars on products.
Supermarket checkouts
Informações
- Descrição
- FlashCards sobre Untitled_1, criado por G-Dog em 15-11-2013.
- Criado por
- G-Dog
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