Computers

Front 1

External hard drive

Back 1

removable hard drive located outside of the main computer tower.

Front 2

input device

Back 2

any piece of computer hardware used to provide data to the computer.

Front 3

output device

Back 3

any piece of the compter hardware used to communicate the data processed by the computer.

Front 4

Monitor

Back 4

output device which displays graphics and images from the computer.

Front 5

digital visual interface

Back 5

video adn audio interface connecting the monitor and the computer.

Front 6

high defenition multimedia interface

Back 6

compact video and audio interface transmitting digital data between the high defenition monitors and the computer.

Front 7

Enternet cable

Back 7

cord connecting the computer to the internet.

Front 8

Power cord

Back 8

cable connecting the computer connecting the ccomputer to the elecrical supply; aids in delivering electrical power to the main computer.

Front 9

Power connector

Back 9

cable inside the computer connecting the power supply to the internal devices.

Front 10

Storage Device cable

Back 10

cable inside the computer transfering data between the mother board and the storage devices.

Front 11

Surge protector

Back 11

appliance designed to protect computer electronics from electrical damage.

Front 12

Hardware

Back 12

physical parts of a computer, such as the hard drive, video, card, monitorand other substantial parts.

Front 13

Software

Back 13

set of computer programs designed to enable computers to accomplish cetain tasks; major types of software include programming software, system software and application software .

Front 14

Defragmentation

Back 14

software mainteinace process which reduces the amount of fragmentation between files.

Front 15

Personal computer (PC)

Back 15

computer designed for the general use by the single person.

Front 16

Light-emitting diode (led)

Back 16

semiconductor light source used in various applications ; in the world of copmputers, LED technology is used to make optical mouses and LED displays.

Front 17

Touchpad

Back 17

computer pointing device which takes advantage of a tacticle sensor to detect a user's finger movement.

Front 18

Liquid crystal Display

Back 18

thin, light electronic display which employs the light modualing propeties of the liquid crystals.

Front 19

Universal Serial Bus (USB)

Back 19

interface designed to connect computer and peripheral devices, such as printers, mouses, keyboards, USB flash drives and extenal hard drives.

Front 20

Motherboard

Back 20

main circut board inside personal computers which holds the majority of computer components and provides connnectors for peripheral.

Front 21

Central processing Unit

Back 21

microprocessor which calculates all the data going through a personal computer.

Front 22

Clock rate

Back 22

common measurement of CPU speed; tells how fast the CPU can process data; the higher the clock rate, the faster the CPU.

Front 23

Megahertz (MHz)

Back 23

unit of measurement of CPU clock rate; one meaghertz refers to a clock rate of one million cycles per second.

Front 24

Gigahertz (GHZ)

Back 24

unit of measurement of CPU clock rate; one gigahertz refers to a clock rate of one billion cycles per seconds.

Front 25

Random access memory

Back 25

type of computer memory, which temperority stores computer information such as the operating system, application programs and the data so they can be immediately accessed by the the CPU.

Front 26

Binary digit

Back 26

smalllest unit of the computer storage capaticy

Front 27

read only memory

Back 27

type of computer memory which stores the basic input/output system ; data stored on ROM cannot be changed.

Front 28

basic input/output system

Back 28

built in program which initialies computer hardware and launches the operating system when the computer starts.

Front 29

serial advanced technology attachment

Back 29

type of cable inside the computer connecting the motherboard and internal storages devices, such as hard drive, cd or dvd rom.

Front 30

compact disc read only memory

Back 30

pre-pressed compact disc storage in which data can be accessed, not modified.

Front 31

digital video read onmly memory

Back 31

high capaticy optical disc storage, in which data can be read, not modified

Front 32

driver

Back 32

computer program allowing the computer to communicate with a hardware device.

Front 33

power supply

Back 33

computer hardware converting altervating current or ac electric power to a low.

Front 34

hard drive

Back 34

main storage device of a computer ; commonly referred as internal device and used to npermenantly sore data.