Chapter 7 Flashcards
Input is what?
any data and instructions entered into the memory of a computer
Commonly used input methods include:
Keyboard Pointing devices Touch screens Pen input Motion input Voice input Video input Scanners and reading devices
An ergonomic keyboard has a design that ?
reduces the chance of repetitive strain injuries (RSIs) of wrist and hand
A touchpad is a?
small, flat, rectangular pointing device that is sensitive to pressure and motion
what is pen input
using a stylist or like pen like thing such as at counseling
graphics tablet, also called a digitizer, is an?
electronic plastic board that detects and converts movements of a style or digital pen into signals that are sent to the computer
With motion input, sometimes called gesture recognition, users can?
guide on-screen elements using air gestures
think the wii
Voice input is the?
process of entering input by speaking into a microphone
Voice recognition, also called speech recognition, is the?
computer or mobile device’s capability of distinguishing spoken words
Audio input is the process of?
entering any sound into the computer such as speech, music, and sound effects
Video input is the process of?
capturing full-motion images and storing them on a computer or mobile device’s storage medium
A webcam is a type of DV camera that enables a user to do what 5 things?
Capture video and still images
Send email messages with video attachments
Broadcast live images or video over the Internet
Conduct videoconferences
Make video calls
A scanner is a?
light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process
A bar code reader, also called a bar code scanner does what?
uses laser beams to read bar codes
QR code stores information in both?
a vertical and horizontal direction
ex. think square code
Magstripe readers read the magnetic stripe on the back of cards such as?
Credit cards Entertainment cards Bank cards Identification cards Other similar cards
Output is data that has been?
processed into a useful form
A monitor is a display that is?
packaged as a separate peripheral device
LCD monitor
The quality of a display depends primarily on its?
Resolution
A printer is an output device that? does 2 things
produces text and graphics on a physical medium
An ink-jet printer forms characters and graphics by?
spraying tiny drops of liquid ink onto a piece of paper
An all-in-one printer is a single device that? does 4 things
prints, scans, copies, and in some cases, faxes
A 3-D printer uses a process called additive manufacturing to create an?
object by adding material to a three-dimensional object, one horizontal layer at a time
A mobile printer is a?
small, lightweight, battery-powered printer that allows a mobile user to print from a mobile device
