liveran - computer hardware

Question 1

3 Elements of Computer System

Answer 1

hardware, software, peopleware

Question 2

component of a computer that contains many electric, electronic, and mechanical components

Answer 2

hardware

Question 3

allows you to enter data

Answer 3

input devices

Question 4

conveys information to one or more people

Answer 4

output

Question 5

case that contains the electronic components of the computer are used to processed data

Answer 5

system unit

Question 6

records and retrieves item to and form storage media

Answer 6

storage device

Question 7

enables a computer to send and receive data, instructions, and information to one or more computers

Answer 7

communication devices

Question 8

an input device that contains keys users press to enter data and instructions into a computer

Answer 8

keyboard

Question 9

an input pointing device that fits under the palm of your hand comfortably. Most widely used pointing device on desktop computers. A mouse can be wired or wireless

Answer 9

mouse

Question 10

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

Answer 10

trackball

Question 11

small flat rectangular pointing device

Answer 11

touchpad

Question 12

pressure sensitive pointing device that has a shape of a pencil eraser

Answer 12

pointing stick

Question 13

a touch-sensitive display device

Answer 13

touch screen

Question 14

With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections

Answer 14

pen input use stylus or digital pen

Question 15

Video games and computer games use a game controller as the input device that directs movements and actions of on-screen objects

Answer 15

video games use game controller

Question 16

is a mobile device that allows users to take pictures and store them digitally

Answer 16

digital camera

Question 17

is the process of entering input by speaking into a microphone

Answer 17

voice input

Question 18

is a type of digital video camera

Answer 18

webcam

Question 19

s a meeting between two or more geographically separated people

Answer 19

video conference

Question 20

is the computer’s capability of distinguishing spoken words

Answer 20

voice recognition

Question 21

4 Scanners and Reading Devices

Answer 21

1. flatbed
2. pen or handheld
3. sheet fed
4. drum

Question 22

also called a bar code scanner uses laser beams to read bar codes

Answer 22

bar code reader

Question 23

uses radio signals to communicate with a tag placed in or attached to an object

Answer 23

rfid or radio frequency identification

Question 24

read the magnetic stripe on the back of cards

Answer 24

magnetic card swipe reader

Question 25

authenticates a person’s identity by verifying a personal characteristic

Answer 25

biometrics

Question 26

is data that has been processed into a useful form

Answer 26

output

Question 27

any type of hardware component that conveys information to one or more people

Answer 27

output device

Question 28

visually conveys text, graphics, and video information

Answer 28

display device

Question 29

packaged as a separate peripheral

Answer 29

montior

Question 30

uses a liquid compound to present information on a display device

Answer 30

lcd or liquid crystal display

Question 31

a desktop monitor that contains a cathode-ray tube

Answer 31

CRT monitor

Question 32

produces text and graphics on a physical medium

Answer 32

printer

Question 33

forms characters and graphics on a piece of paper without actually striking the paper

Answer 33

nonimpact printer

Question 34

forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

Answer 34

ink-jet printer

Question 35

(MFP) is a single device that prints, scans, copies, and in some cases, faxes. Sometimes called an all-in-one device

Answer 35

multifunction peripheral

Question 36

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

Answer 36

Impact printers

Question 37

produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon

Answer 37

dot-matrix printer

Question 38

prints an entire line at a time

Answer 38

line printer

Question 39

are speakers that cover or are placed outside of the ear

Answer 39

Headphones

Question 40

(also called earphones) rest inside the ear canal

Answer 40

Earbuds

Question 41

is a device that takes the text and images displaying on a computer screen and projects them on a larger screen

Answer 41

data projector

Question 42

is a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen

Answer 42

interactive whiteboard

Question 43

is the physical material on which a computer keeps data, instructions, and information

Answer 43

storage medium

Question 44

is the number of bytes a storage medium can hold

Answer 44

Capacity

Question 45

contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information

Answer 45

hard disk

Question 46

is a removable flash memory device that you insert and remove from a slot in a computer, mobile device, or card reader/writer

Answer 46

memory card

Question 47

plug into a USB port on a computer or mobile device

Answer 47

USB flash drives

Question 48

is a removable device that fits in an ExpressCard slot

Answer 48

ExpressCard module

Question 49

is an Internet service that provides storage to computer users

Answer 49

Cloud storage

Question 50

a disk that can be read from but not written to

Answer 50

cd rom

Question 51

a disk that is multisession on which users can write but not erase

Answer 51

cd r

Question 52

disk that is erasable multisession

Answer 52

cd raw

Question 53

high capacity disk which user can read but not write or erase

Answer 53

dvd rom

Question 54

disk that has storage capacity of 100 gb

Answer 54

blu ray disc

Question 55

disk that are high capacity rewritable dvd formats

Answer 55

dvd rw

Question 56

is a magnetically coated ribbon of plastic capable of storing large amounts of data and information

Answer 56

Tape

Question 57

reads and writes data and information on a tape

Answer 57

tape drive