Pc Chapter 1 Notes

Front 1

refers to a computers physical components

Back 1

hardware

Front 2

refers to a set of instructions that directs the hardware to acomplish a task

Back 2

software

Front 3

the typ of data that a computer processes

Back 3

digital

Front 4

technology that converst analog data to digital data

Back 4

binary

Front 5

a 0 our a 1 in the binary number system

Back 5

bit

Front 6

a series of 8 bits

Back 6

byte

Front 7

characters defined by patterns

Back 7

coding scheme

Front 8

the most widly used coding scheme in personal computers

Back 8

ASCII

Front 9

stores hardware components

Back 9

computer case

Front 10

most important component of the computer

Back 10

CPU

Front 11

data is transferred serially, which means one bit follows the next

Back 11

Serial

Front 12

-transmits data in , most often used by printers, the widest port on the back on computer

Back 12

parallel

Front 13

used for high-speed multi media devices such as digital camcorders

Back 13

FireWire

Front 14

provides an interface for devices such as: headphones, speakers or microphones

Back 14

sound

Front 15

-provides and interface for rnet cable and networks

Back 15

Ethernet

Front 16

provides an interface for a keyboard and mouse

Back 16

PS/2

Front 17

can provide faster transfer rates than usb or FireWire

Back 17

eSATA

Front 18

a digital interface standard to convert analog signals into digital signals.

Back 18

DVI-

Front 19

ranges in size of MB or GB starting at 128 MB and going to 2GB

Back 19

RAM

Front 20

basic input/output system

Back 20

BOIS

Front 21

a pair of prongs on the motherboard that act as a switch that closes or opens an electrical circuit

Back 21

jumper

Front 22

carries information from one section of the motherboard, or hardware device to another

Back 22

BUS

Front 23

expansion slot used for a video card

Back 23

AGP

Front 24

one thousand bytes, on milklion bytes, one bilione bytes

Back 24

KB,MB,GB

Front 25

an electrical charge that can build up on the surfac if insulating materials, such as clothing or plastic

Back 25

ESD-Electrostatic discharge

Front 26

ground bracelet,ground mat, static shielding bag

Back 26

Prevention of ESD

Front 27

Provides a row of power outlets and ab on/off switch that protects equitment from overvoltages

Back 27

Surge protecteor

Front 28

provides power during a blackout

Back 28

Uninterruptable power supply