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general subjects > liveran - computer hardware > Flashcards

liveran - computer hardware Flashcards

1
Q

3 Elements of Computer System

A

hardware, software, peopleware

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2
Q

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

A

hardware

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3
Q

allows you to enter data

A

input devices

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4
Q

conveys information to one or more people

A

output

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5
Q

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

A

system unit

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6
Q

records and retrieves item to and form storage media

A

storage device

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7
Q

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

A

communication devices

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8
Q

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

A

keyboard

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9
Q

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

A

mouse

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10
Q

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

A

trackball

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11
Q

small flat rectangular pointing device

A

touchpad

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12
Q

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

A

pointing stick

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13
Q

a touch-sensitive display device

A

touch screen

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14
Q

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

A

pen input use stylus or digital pen

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15
Q

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

A

video games use game controller

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16
Q

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

A

digital camera

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17
Q

is the process of entering input by speaking into a microphone

A

voice input

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18
Q

is a type of digital video camera

A

webcam

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19
Q

s a meeting between two or more geographically separated people

A

video conference

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20
Q

is the computer’s capability of distinguishing spoken words

A

voice recognition

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21
Q

4 Scanners and Reading Devices

A
  1. flatbed
  2. pen or handheld
  3. sheet fed
  4. drum
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22
Q

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

A

bar code reader

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23
Q

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

A

rfid or radio frequency identification

24
Q

read the magnetic stripe on the back of cards

A

magnetic card swipe reader

25
Q

authenticates a person’s identity by verifying a personal characteristic

A

biometrics

26
Q

is data that has been processed into a useful form

A

output

27
Q

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

A

output device

28
Q

visually conveys text, graphics, and video information

A

display device

29
Q

packaged as a separate peripheral

A

montior

30
Q

uses a liquid compound to present information on a display device

A

lcd or liquid crystal display

31
Q

a desktop monitor that contains a cathode-ray tube

A

CRT monitor

32
Q

produces text and graphics on a physical medium

A

printer

33
Q

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

A

nonimpact printer

34
Q

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

A

ink-jet printer

35
Q

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

A

multifunction peripheral

36
Q

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

A

Impact printers

37
Q

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

A

dot-matrix printer

38
Q

prints an entire line at a time

A

line printer

39
Q

are speakers that cover or are placed outside of the ear

A

Headphones

40
Q

(also called earphones) rest inside the ear canal

A

Earbuds

41
Q

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

A

data projector

42
Q

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

A

interactive whiteboard

43
Q

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

A

storage medium

44
Q

is the number of bytes a storage medium can hold

A

Capacity

45
Q

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

A

hard disk

46
Q

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

A

memory card

47
Q

plug into a USB port on a computer or mobile device

A

USB flash drives

48
Q

is a removable device that fits in an ExpressCard slot

A

ExpressCard module

49
Q

is an Internet service that provides storage to computer users

A

Cloud storage

50
Q

a disk that can be read from but not written to

A

cd rom

51
Q

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

A

cd r

52
Q

disk that is erasable multisession

A

cd raw

53
Q

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

A

dvd rom

54
Q

disk that has storage capacity of 100 gb

A

blu ray disc

55
Q

disk that are high capacity rewritable dvd formats

A

dvd rw

56
Q

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

A

Tape

57
Q

reads and writes data and information on a tape

A

tape drive

general subjects (3 decks)

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