Input Devices Flashcards
Adv of keyboard
- cheap
- universal use ( most people know how to use it)
Disadvantage of keyboard
- Slow
- prone to errors
- health problems (repetitive strain injury)
Voice-speech recognition
Allows you to enter data via a microphone directly into a computer by having the voice recognition software
Adv of voice recognition
- faster than typing
- cheap because computers come with microphones
Dis adv of voice recognition
- not accurate at first
- errors due to background noise
Scanners
-used to capture an image
Used with ocr software so that the characters can be recognised and input into other software
Digital camera
The image is already in digital form so can be input directly into a computer
Webcams
Small video camera used to send a moving image over the internet
Joystick
Used mainly for playing games
Touch pad
Used as an alternative with a mouse on a laptop conputer