CHAPTER 6 Flashcards
Is any data or instructions that are used by a computer
Input
translate words, numbers , sounds images, and gestures that people understand into a form that a system unit can process.
Input Devices
convert numbers, letters, and special char- acters that people understand into electrical signals.
Keyboards
four basic categories of keyboards:
traditional, laptop, virtual, and thumb.
provide an intuitive interface with the system unit by accepting physical movements or gestures and converting them into machine-readable input.
Pointing devices
A ___________ controls a pointer that is displayed on the monitor
mouse
A _________ is typically used with tablets and mobile devices.
-interacts with handwriting recognition software to translate handwritten notes into a form that the system unit can process.
stylus
________________ translate words, sounds, and actions into symbols the system unit can process.
Input devices
________________ translate symbols from the system unit into words, images, and sounds that people can understand.
Output devices
An _____________ converts documents into machine-readable form.
optical scanner
___________ interpret encoded information located on a variety of cards.
Card readers
are scanners that are able to recognize special characters and marks.
Character and mark recognition devices
s use a microphone, a sound card, and special software. Siri, Cortana, and Google Now are digital assistants that use voice recognition.
Voice recognition system
is the study of human factors related to things people use.
Ergonomics