4: Input and Output

Question 1

an input device containing numerous keys that can be used to input letters, numbers, and other symbols

Answer 1

keyboard

Question 2

an input device that moves an on-screen pointer, such as an arrow, to allow the user to select objects on the screen

Answer 2

pointing device

Question 3

a common pointing device that the user slides along a flat surface to move a pointer around the screen and clicks its buttons to make selections

Answer 3

mouse

Question 4

an input device that is used to write electronically on the display screen

Answer 4

stylus

Question 5

the ability of a device to identify handwritten characters

Answer 5

handwriting recognition

Question 6

a flat, rectangular input device that is used in conjunction with a stylus to transfer drawings, sketches, and anything written on the device to a computer

Answer 6

graphics tablet

Question 7

a display device that is touched with the finger to issue commands or otherwise provide input to the connected device

Answer 7

touch screen

Question 8

alternative input device to a mouse with the ball mechanism on top

Answer 8

trackball

Question 9

a small rectangular-shaped input device, often found on notebook and netbook computers, that is touched with the finger or thumb to control an on-screen pointer and make selections

Answer 9

touch pad

Question 10

overlaying computer-generated images on top of real-time images

Answer 10

augmented reality (AR)

Question 11

an input device that reads printed text and graphics and transfers them to a computer in digital form

Answer 11

scanner

Question 12

an input device that scans flat objects one at a time (documents, photographs)

Answer 12

flatbed scanner

Question 13

the type of barcode found on packaged goods in supermarkets and other retail stores

Answer 13

Universal Product Code (UPC)

Question 14

the type of barcode used with printed books

Answer 14

International Standard Book Number (ISBN)

Question 15

a scanner designed to capture input while on the go

Answer 15

portable scanner

Question 16

a machine-readable code that represents data as a set of bars

Answer 16

barcode

Question 17

a technology used to store and transmit data located in a tag - attached to valuable items, shipping labels, passports etc. for tracking and processing

Answer 17

radio frequency identification (RFID)

Question 18

a device containing a tiny chip and a radio antenna that is attached to an object so it can be identified using RFID technology

Answer 18

RFID tag

Question 19

devices that input data from special forms to score or tally exams, questionnaires, ballots, etc. (scantrons)

Answer 19

optical mark readers (OMRs)

Question 20

the ability of a computer to recognize scanned text characters and convert them to electronic form as text, not images

Answer 20

optical character recognition (OCR)

Question 21

a device used to input biometric data, such as an individual’s fingerprint or voice, for identification

Answer 21

biometric reader

Question 22

an input device that takes pictures and records them as digital images

Answer 22

digital camera

Question 23

a system, consisting of appropriate hardware and software, used to recognize voice input, such as dictation or audio computer commands

Answer 23

speech recognition system

Question 24

an output device that contains a viewing screen

Answer 24

display device

Question 25

a display device for a desktop computer

Answer 25

monitor

Question 26

a display device built into a notebook computer, netbook, or other device

Answer 26

display screen

Question 27

the smallest colorable area in an electronic image, such as a scanned image, a digital photograph, or an image displayed on a display screen

Answer 27

pixel

Question 28

a slim type of display device that uses electronically charged chemicals or gases instead of an electron gun to display images

Answer 28

flat-panel display

Question 29

a type of flat-panel display that uses charged liquid crystals to display images

Answer 29

liquid crystal display (LCD)

Question 30

a type of flat-panel display that uses emissive organic material to display brighter and sharper images than LCDs

Answer 30

organic light emitting diode (OLED) display

Question 31

a type of flat-panel display that uses layers of gas to display images; most often used on large displays

Answer 31

plasma display

Question 32

a display device that projects all computer output to a wall or projection screen

Answer 32

data projector

Question 33

an output device that produces output on paper (permanent “hard copies”)

Answer 33

printer

Question 34

a device that offers multiple functions (such as printing, scanning, and faxing) in a single unit

Answer 34

multifunction device (MFD)

Question 35

an output device that uses toner powder and technology similar to that of a photocopier to produce images on paper

Answer 35

laser printer

Question 36

an output device that sprays droplets of ink to produce images on paper - most common printer for home use

Answer 36

ink-jet printer

Question 37

a small, lightweight printer designed to be used while on the go

Answer 37

portable printer

Question 38

an output device designed to print three-dimensional objects, such as product prototypes

Answer 38

3D printer

Question 39

output devices connected to computers that provide audio output

Answer 39

computer speakers

Question 40

a personal audio output device used by an individual so only he or she can hear the sound - worn on ears

Answer 40

headphones