Chapter 7 terms

Question 1

a small symbol on the screen whose location and shape change as a user moves a pointing device

Answer 1

pointer

Question 2

a small, flat, rectangular pointing device that is sensitive to pressure and motion

Answer 2

touchpad

Question 3

a stationary pointing device with a ball on its top or side

Answer 3

trackball

Question 4

mouse that uses optical sensors that emit and sense light to detect the mouse’s movement

Answer 4

optical mouse

Question 5

the process of entering input by speaking into a microphone

Answer 5

voice input

Question 6

data that has been processed into a useful form

Answer 6

output

Question 7

a digital video camera that allows you to capture video and usually audio input for your computer or mobile device

Answer 7

webcam

Question 8

a device that uses a light source to read characters, marks, and codes and then converts them into digitial data that a computer can process

Answer 8

optical readers

Question 9

bar code used by retail and grocery stores

Answer 9

UPC codes

Question 10

reading device that reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, identification cards, and other similar cards

Answer 10

magnetic stripe readers

Question 11

display technology that sandwiches a liquid compound between two sheets of material that presents sharp, flicker-free images on a screen when illuminated

Answer 11

LCD monitors

Question 12

displays that uses gas plasma technology to sandwich a layer of gas between two glass plates

Answer 12

Plasma monitors

Question 13

a type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

Answer 13

ink jet printer

Question 14

printer that generates images by pushing electrically heated pins against heat-sensitive paper

Answer 14

thermal printer

Question 15

printer that forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper

Answer 15

impact printer

Question 16

a single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and perhaps a fax machine

Answer 16

all-in-one printer

Question 17

a touch-sensitve device, resembling a dry-erase board, that displays the image on a connected computer screen, usually via a projector

Answer 17

interactive whiteboard

Question 18

type of high-speed, high quality nonimpact printer that creates images using a laser beam and powered ink called toner

Answer 18

laser printer