Chapter 7 Flashcards
Software
series of related instructions that tells a computer or mobile device what tasks to perform and how to perform them
Command
instruction that causes a program or app to perform a specific action
User Response
instruction a user issues by responding to a message displayed by a program or app
Function Keys
special keys programmed to issue commands to a computer
Toggle Key
key that switches between two states each time a user presses the key
Keyboard Shortcut
one or more keyboard keys that you press to perform an operating system or application-related task
Ergonomic Keyboard
design that reduces the chance of repetitive strain injuries of the wrist and hands
Gaming Keyboard
keyboard designed specifically for users who enjoy playing games on the computer
Pointer
small symbol on the screen whose location and shape change as a user moves a pointing device
Mouse
pointing device that fits under the palm of your hand comfortably
Optical Mouse
uses optical sensors that emit and sense light to detect the mouse’s movement
Touch Mouse
touch-sensitive mouse that recognizes touch gestures
Touch Pad
small, flat, rectangular pointing device that is sensitive to pressure and motion
Trackball
stationary pointing device with a ball on its top or side
Stylus
small metal or plastic device that looks like a tiny ink pen but uses pressure instead of ink
Digital Pen
input device that captures and converts a user’s handwriting or drawings into a digital format
Graphics Tablet
electronic plastic board that detects and converts movements of a stylus or digital pen into digital signals that are sent to the computer
Scanner
light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process
RFID
technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person
Magstripe reader
reads the magnetic stripe on the bacl of credit cards, entertainment cards, bank cards, identification cards, and other similar cards
MICR
reads text printed with magnetized ink
Output
data that has been processed into a useful form
Display
output device that visually conveys text, graphics, and video information
Monitor
display that is packaged as a separate peripheral device
LCD
sandwhiches a liquid compound between two sheets of material that presents sharp, flicker-free images on a screen when illuminated
Resolution
number of horizontal and vertical pixels in a display
DVI port
enables digital signals to transmit directly to a monitor
HDMI port
combines DVI with high-definition television, audio, and video
Display Port
alternative to DVI that also supports high-definition audio and video
HDTV
most advanced form of digital television, working with digital broadcast signals, transmitting digital sound, supporting wide screens, and providing high resolutions
Printer
output device that produces text and graphics on a physical medium
Printout
portrait or landscape orientation
Nonimpact Printer
forms characters and graphics on a piece of paper without actually contacting the paper
Ink-jet Printer
type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper
Photo Printer
color printer that produces lab-quality photos
Laser Printer
high-speed, high-quality nonimpact printer
All-in-One Printer
single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and fax machine
Thermal Printer
generates images by pushing electronically heated pins against heat-sensitive paper
Mobile Printer
small, lightweight, battery-powered printer that allows a mobile user to print from a laptop, smartphone, or other mobile device while traveling
Label Printer
small printer that prints on an adhesive-type material that can be placed on a variety of items
Plotter
sophisticated printer used to produce high-quality drawings
Impact Printer
forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper
Data Projector
device that projects the text and images displaying on a computer or mobile device screen on a larger screen so that the audience can see the image clearly
Americans with Disabilities Act (ADA)
requires any company with 15 or more employees to make reasonable attempts to accommodate the needs pf physically challenged workers
