input devices
- Created by: Natalie Adamson
- Created on: 18-01-13 11:31
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- input devices
- keyboards
- typing: inputting data into computer via keyboard
- Mouse
- moving cursor, clicking items, etc.
- Tracker balls, touch-sensitive pads or pointing sticks
- Concept Keyboards
- each switch has a symbol (or word) on it representign a piece of data e.g. price.
- Touch sensitive screens
- instead you touch a picture or a word on the screen.
- Graphic pads
- allowing drawing on the computer to be easier and more accurate.
- Joystick
- inputs movement
- Scanners
- convert images into digital data to be put onto the computer
- OCR software
- reads texts, this makes it easier to enter large blocks of text.
- MICR - magnetic ink character recognition
- Used to process cheques
- OMR- optical mark recognition
- used to take registers. it is quick and accurate
- Cards use a chip or a magnetic *****
- Digital cameras
- uses pixels to save an image
- Laser Scanners
- used in shops to read bar codes.
- Microphones
- inputs sounds e.g. voice recognition systems
- Untitled
- keyboards
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