Computer Exam 2

Front 1

Any data and instructions entered into the memory of a computer.

Back 1

Input

Front 2

a collection of unprocessed text, numbers, images, audio, and video.

Back 2

Data

Front 3

a series of instructions that tells a computer what to do and how to do it.

Back 3

program

Front 4

an instruction that causes a program to perform a specific action.

Back 4

command

Front 5

an instruction a user issues by replying to a question displayed by a program.

Back 5

user response

Front 6

any hardware component that allows users to enter data and instructions (programs, commands, and user responses) into a computer.

Back 6

Input Device

Front 7

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

Back 7

keyboard

Front 8

Special keys programmed to issue commmands to a computer...labeled with F followed by a number.

Back 8

Function Keys

Front 9

a key that switches between two states each time a user presses the key.

Back 9

toggle key

Front 10

locks the numeric keypad so you can use the keypad to type numbers.

Back 10

NUM LOCK

Front 11

Displays the start menu when pushed.

Back 11

Windows Key

Front 12

Displays an items shortcut menu when pressed.

Back 12

Application Key

Front 13

Allows you to position the insertion point.

Back 13

Cursor

Front 14

a symbol on the screen, usually a blinking vertical bar, that indicates where the next character you type will be displayed.

Back 14

Insertion Point

Front 15

an input device that allows a user to control a pointer on the screen.

Back 15

pointing device

Front 16

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

Back 16

pointer

Front 17

a pointing device that fits under the palm of your hand comfortably.

Back 17

mouse

Front 18

has a metal or rubber ball on its under side.

Back 18

mechanical mouse

Front 19

a rectangular rubber or foam pad that provides better traction than the top of a desk.

Back 19

mouse pad

Front 20

uses devices that emit and sense light to detect the mouse's movement.

Back 20

optical mouse

Front 21

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

Back 21

trackball

Front 22

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

Back 22

touchpad

Front 23

a pressure sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard.

Back 23

pointing stick

Front 24

a vertical lever mounted on a base.

Back 24

joystick

Front 25

a steering wheel type input device.

Back 25

wheel

Front 26

a pointing device that enables users to scroll through and play music, adjust volume, and customize settings.

Back 26

control pad

Front 27

sometimes called a game controller, is a pointing device that controls the movement and actions of players or object in video games or computer games.

Back 27

gamepad

Front 28

a handheld input device that can detect the presence of light.

Back 28

light pen

Front 29

a touch sensitive display device.

Back 29

touch screen

Front 30

users write, draw, and tap ona flat surface to enter input.

Back 30

pen input

Front 31

a small metal or plastic device that looks like a tiny ink pen but uses pressure instead of ink.

Back 31

stylus

Front 32

a flat, rectangular, electronic, plastic board. sometimes referred to as a digitizer.

Back 32

graphics tablet

Front 33

the process of entering input by speaking into a microphone.

Back 33

voice input

Front 34

also called speech recognition, is the computers capability of distinguishing spoken words.

Back 34

voice recognition

Front 35

the process of entering any sound into the computer such as speech, music, and sound effects.

Back 35

Audio input

Front 36

allows users to take pictures and store the photographed images digitally. instead of on traditional film.

Back 36

digital camera

Front 37

the number of horizontal and vertical pixels in a display device.

Back 37

resolution

Front 38

smallest element in an electronic image.

Back 38

pixel

Front 39

the process of capturing full motion images and storing them on a computer's storage medium such as a hard disk or DVD.

Back 39

Video input

Front 40

records video as digital signals instead of analog signals.

Back 40

digital video (DV) camera

Front 41

type of digital video camera that enables a home or small business user to capture video and still images, send email messages with video attachments, add live images to instant messages, broadcast live images over the internet, and make video telephone calls.

Back 41

a PC video camera or PC camera

Front 42

any video camera that displays its output on a web page.

Back 42

web cam

Front 43

a meeting between two or more geographically separated people who use a network or the Internet to transmit audio and video data.

Back 43

video conference

Front 44

a light senstive input device that reads printed text and graphics and then translates the results into a form the computer can process.

Back 44

scanner

Front 45

similar to teh copy machine except it creates a file of the document in memory instead of a paper copy.

Back 45

flatbed scanner

Front 46

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

Back 46

optical reader

Front 47

a technology that involves reading typewritten, computer printed, or hand printed characters from ordinary documents and translating the images into a form that the computer can process.

Back 47

optical character recognition OCR

Front 48

a document that you return to the company that creates and sends it.

Back 48

turnaround document

Front 49

a technology that reads hand drawn marks such as small circles or rectangles.

Back 49

optical mark recognition OMR

Front 50

optical reader that uses laser beams to read bar codes by using light patterns that pass through the bar code lines.

Back 50

bar code reader (scanner)

Front 51

an identification code that consists of a set of vertical lines and spaces of different widths.

Back 51

bar code

Front 52

a technology that uses radio signals to communicate with a tag placed in or attached to an animal or a person.

Back 52

RFID radio frequency identification

Front 53

reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards.

Back 53

magnetic stripe card reader (magstripe reader)

Front 54

a self serving banking machine that connects to a host computer through a network.

Back 54

ATM automated teller machine

Front 55

the technology of authenticating a person's identity by verifying a personal characteristic.

Back 55

biometrics

Front 56

compared in size to a credit card or ATM card, stores personal data on a thin microprocessor embedded in the card.

Back 56

smart card

Front 57

requires any company with 15 or more employees to make reasonable attempts to accomodate the needs of physically challenged workers.

Back 57

Americans with disabilities Act ADA

Front 58

metal or plastic plate placed over the keyboard that allows users to rest their hands on the keyboard without accidentally pressing any keys.

Back 58

keyguard

Front 59

data that has been processed into a useful form.

Back 59

output

Front 60

examples of this type of output are memos, letters, announcements, press releases, reports, advertisements, newsletters, envelopes, mailing labels, and email messages.

Back 60

text

Front 61

examples of output include...

Back 61

text, graphics, audio, and video.

Front 62

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

Back 62

output device

Front 63

examples of output devices include...

Back 63

printers, speakers, headphones, and earphones, fax machines, joysticks, wheels, and gamepads.

Front 64

an output device that visually conveys text, graphics, and video information.

Back 64

display device

Front 65

a display device that is packaged as a separate peripheral.

Back 65

monitor

Front 66

the information appears in one color on a different color background.

Back 66

monochrome

Front 67

a lightweight display device with a shallow depth and flat screen that typically uses LCD (liquid crystal display) or gas plasma technology.

Back 67

flat panel display

Front 68

LCD monitors, LCD screens and plasma monitors are types of what?

Back 68

flat panel displays

Front 69

a desktop monitor that uses an LCD to display images.

Back 69

LCD monitor or flat panel monitor

Front 70

the amount of space something takes up on the desk

Back 70

footprint

Front 71

uses a liquid compound to present information on a display device.

Back 71

(LCD) liquid crystal display

Front 72

the time in milliseconds that it takes to turn a pixel on or off.

Back 72

response time

Front 73

the standard unit of luminous intensity.

Back 73

candela

Front 74

the distance in millimeters between pixels in a display device.

Back 74

pixel pitch or dot pitch

Front 75

controls the manipulation and display of graphics on a display device.

Back 75

graphics processing unit

Front 76

enables digital signals to transmit directly to the LCD monitor.

Back 76

Digital Video Interface Port (DVI) port

Front 77

the number of bits used to store information about each pixel.

Back 77

bit depth or color depth

Front 78

a display device that uses gas plasma technology, which sandwiches a layer of gas between two glass plates.

Back 78

plasma monitor

Front 79

a desktop monitor that contains a cathode ray tube.

Back 79

CRT monitor (cathode ray tube) monitor

Front 80

this program encourages manufacturers to create energy efficient devices that require little power when they are not in use.

Back 80

ENERGY STAR program

Front 81

a magnetic field that travels at the speed of light.

Back 81

Electromagnetic Radiation (EMR)

Front 82

an output device that produces text and graphics on a physical medium such as paper or transparency film.

Back 82

printer

Front 83

a computer or other device transmits output to a printer via radio waves.

Back 83

bluetooth printing

Front 84

a printer communicates with a computer or other device using infrared light waves.

Back 84

infrared printing

Front 85

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

Back 85

nonimpact printer

Front 86

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

Back 86

Ink Jet printer

Front 87

a color printer that produces photo lab quality pictures.

Back 87

photo printer

Front 88

a high speed, high quality nonimpact printer.

Back 88

laser printer

Front 89

generates images by pushing electrically heated pins against heat sensitive paper.

Back 89

thermal printer

Front 90

a small lightweight battery powered printer that allows a mobile user to print from a notebook computer, tablet PC, PDA, or smart phone while traveling.

Back 90

mobile printer

Front 91

a small printer that prints on an adhesive type material that can be placed on a variety of items such as envelopes, packages and toys.

Back 91

label printer

Front 92

sophisticated printers used to produce high quality drawings such as blueprints, maps, and circuit diagrams.

Back 92

Plotters

Front 93

creates photo realistic quality color prints.

Back 93

large-format printers

Front 94

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

Back 94

impact printer

Front 95

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

Back 95

dot-matrix printer

Front 96

a high speed impact printer that prints an entire line at a time.

Back 96

line printer

Front 97

a component of a computer that produces music, speech, or other sounds, such as beeps.

Back 97

audio output device

Front 98

cover or are placed outside the ear.

Back 98

headphones

Front 99

rest inside the ear canal

Back 99

earphones or earbuds

Front 100

occurs when you hear a persons voice or when the computer talks to you through the speakers on the computer.

Back 100

voice output

Front 101

a device that codes and encodes documents so they can be transmitted over telephone lines.

Back 101

fax machine

Front 102

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

Back 102

multifunction peripheral or all in one devices

Front 103

a device that takes the text and images displaying on a computer screen and projects them on a larger screen so an audience can see the image clearly.

Back 103

data projector

Front 104

holds data, instructions and information for future use.

Back 104

Storage

Front 105

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

Back 105

storage medium or secondary storage

Front 106

the number of bytes or characters a storage medium can hold.

Back 106

Capacity

Front 107

the computer hardware that records and/or retrieves items to and from storage media.

Back 107

storage device

Front 108

the process of transfering data, instructions and information from memory to a storage medium.

Back 108

writing

Front 109

the process of transferring items from a storage medium into memory.

Back 109

reading

Front 110

measures the amount of time it takes a storage device to locate an item on storage medium or the time required to deliver an item from memory to the processor.

Back 110

access time

Front 111

the process of dividing the disc into tracks and sectors, so the operating system can store and locate data and information on the disk.

Back 111

formatting

Front 112

a storage device that contains one or more inflexible, circular platters that magnetically store data, instructions, and information.

Back 112

hard disk

Front 113

align magnetic particles horizontally around the surface of the disk

Back 113

longitundinal recording

Front 114

align the magnetic particles vertically, making much greater storage capacity.

Back 114

perpendicular recording

Front 115

made of aluminum, glass, or ceramic and is coated with an alloy material that allows items to be recorded magnetically on its surface.

Back 115

platter

Front 116

the vertical section of a track that passes through all platters.

Back 116

cylinder

Front 117

occurs when a read/write head touches the surface of a platter, usually resulting in a loss of data or sometimes of the entire drive.

Back 117

head crash

Front 118

a duplicate of a file, program or disk that you can use in case the original is lost, damaged, or destroyed.

Back 118

backup

Front 119

consists of a memory chip on a hard disk that stores frequently accessed items such as data, instructions, and information.

Back 119

disk cache or buffer

Front 120

a separate free standing hard disk that connects with a cable to a USB port or fire wire port on the system unit.

Back 120

external hard disk

Front 121

a hard disk that you either insert or remove from either a dock or a drive.

Back 121

removable hard disk

Front 122

consists of a special purpose chip and electronic circuits that control the transfer of data, instructions and information from a disk to and from the system bus and other components in the computer.

Back 122

disk controller

Front 123

a service on the web that provides hard disk storage to computer users, usually for a minimal monthly fee.

Back 123

online storage

Front 124

a portable, inexpensive storage medium that consists of a thin, circular, flexible plastic Mylar film with a magnetic coating enclosed in a square shaped plastic shell.

Back 124

floppy disk or diskette

Front 125

a small opening that has a tab you slide to cover or expose the notch.

Back 125

write-protect notch

Front 126

a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser.

Back 126

optical disc

Front 127

a type of optical dis that users can read but not write (record) or erase

Back 127

CD-ROM Compact disc read only memory

Front 128

a single session CD ROM that stores digital versions of a single role of film using a jpg file format.

Back 128

picture CD

Front 129

a multisession optical disc on which users can write but not erase their own items.

Back 129

CD R compact disc recordable

Front 130

an erasable multisession disc you can write on multiple times.

Back 130

CD-RW compact disc rewritable

Front 131

an extremely high capacity optical disc on which users can read but not write or erase.

Back 131

DVD-ROM (digital versatile disc read only memory)

Front 132

a magnetically coated ribbon of plastic capable of storing large amounts of data and information at a low cost.

Back 132

tape

Front 133

a thin credit card sized device that fits into a PC card slot.

Back 133

PC card

Front 134

a flash memory storage device that plugs in a USB port on a computer or mobile device.

Back 134

USB flash drive or pen drive

Front 135

similar in size to a credit card or ATM card, stores data on a thin microprocessor embedded in the card.

Back 135

smart card

Front 136

a 100 to 215 foot roll of film

Back 136

microfilm

Front 137

a small sheet of film usually about 4 by 6 inches.

Back 137

microfiche

Front 138

describes a process in which two or more computers or devices transfer data, instructions, and information.

Back 138

computer communications

Front 139

a wireless network that provides internet connections to mobile computers and other devices.

Back 139

hot spot

Front 140

a coffeehouse or restaurant that provides personal computers with internet access to its customers.

Back 140

cybercafe

Front 141

a navigation system that consists of one or more earth based receivers that accept and analyze signals sent by satellites in order to determine the reciever's geographic location.

Back 141

global positioning system (GPS)

Front 142

work online with other users

Back 142

collaborate

Front 143

allows users to share documents with others in real time.

Back 143

online meeting

Front 144

software that helps groups of people work together on projects and share information over a network.

Back 144

groupware

Front 145

a collection of computers and devices connected together via commmunication devices and transmission media.

Back 145

network

Front 146

a network that connects computers and devices in a limited geographical area such as a home, school computer lab, office building or closely positioned group of buildings.

Back 146

LAN local area network

Front 147

a LAN that uses no physical wires.

Back 147

wireless LAN

Front 148

allows users connected to a network to transfer money from one bank account to another via transmission media.

Back 148

electronic funds transfer (EFT)

Front 149

a legal agreement that allows multiple users to access the software on a server simultaneously.

Back 149

network license

Front 150

a third party business that provides networking services such as secure data and information transfer, storage, email, and management reports.

Back 150

value added network (VAN)

Front 151

a high speed network that connects local area networks in a metropolitan area such as a city or town and handles the bulk of communications activity across the region.

Back 151

metropolitan area network (MAN)

Front 152

a network that covers a large geographic area such as a city, country, or the world, using a communications channel that combines many types of media such as telephone lines, cables, and radio waves.

Back 152

wide area network (WAN)

Front 153

one or more computers act as a server, and the other computers on the network request service from the server.

Back 153

client/server network

Front 154

controls access to the hardware, software and other resources on the network and provides a centralized storage area for programs, data, and information.

Back 154

server or host computer

Front 155

other computers and mobile devices on the network that rely on the server for its resources.

Back 155

client

Front 156

refers to the layout of the computers and devices in a communications network.

Back 156

network topology

Front 157

a network standard that specifies no central computer or device on the network or (nodes) should control when data can be transmitted;

Back 157

ethernet

Front 158

a temporary connection that uses one or more analog telephone lines for communications

Back 158

dial up line

Front 159

a type of always-on connection that is established between two communications devices.

Back 159

dedicated line

Front 160

transmits at fast speeds on existing standard copper telephone wiring.

Back 160

DSL digital subscriber line

Front 161

any of several types of long distance telephone lines that carry multiple signals over a single communications line.

Back 161

T-carrier line

Front 162

a service that carries voice, data, video, and multimedia at very high speeds.

Back 162

ATM (asynchronous transfer mode)

Front 163

a digital modem that sends and receives digital data over the cable television network.

Back 163

cable modem or broadband modem

Front 164

allows access to the web wirelessly from a notebook computer, PDA, smart phone, or other mobile device.

Back 164

wireless modem

Front 165

an adapter card, PC card, or flash card that enables the computer or device to access a network.

Back 165

network card or network interface card

Front 166

a communications device that connects multiple computers or other routers together and transmits data to its correct desitination on the network.

Back 166

router

Front 167

the amount of data, instructions, and information that can travel over a communications channel

Back 167

bandwidth

Front 168

consists of materials or substances capable of carrying one or more signals.

Back 168

transmission media

Front 169

transmit multiple signals simultaneously

Back 169

broadband

Front 170

a wireless transmission medium that distributes radio signals through the air over long distances such as between cities, regions, and countries and short distances such as within an office or home.

Back 170

broadcast radio

Front 171

a form of broadcast radio that is used widely for mobile communications, specifically wireless modems and celluar telephones.

Back 171

cellular radio

Front 172

are radio waves that provide a high speed signal transmission.

Back 172

microwaves

Front 173

a space station that receives microwave signals from an earth based station, amplifies the signals, and broadcasts the signals back over a wide area to any number of earth based stations.

Back 173

communications satellite