Technology Applications Chap 3

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created 8 years ago by shoughton
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computer
updated 8 years ago by shoughton
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6th grade
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computer
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1

Storage

Devices, such as hard drives and CDROM drives, that permanently hold data and program instructions for a computer to use

2

File

A unit or grouping of information that has been given a unique name

3

Basic Input/Output System (BIOS)

A set of programs, built into a PC’s ROM chips, that controls the function of the computer’s keyboard, disk drives, monitor, and several other components; the programs also help the computer start itself when the power is turned on

4

Memory

Specialized chips, connected to the computer’s motherboard, which store data and programs as they are being used by the processor

5

Primary Storage

Memory chips that are built into a computer, such as RAM

6

Secondary Storage

Computer disk drives such as the hard drive and CD-ROM drive used to store large amounts of data

7

Archival Storage

A storage device for information that is not frequently used

8

Read-Only Device

A storage device that allows users to access information but not save or change it

9

Read/Write Device

A storage device that allows users to access information and save it to the device

10

Sequential Storage Device

A storage device that requires a computer to scan from the beginning to the end of stored data

11

Random Access Storage Device

A storage device that lets the computer go directly to to the needed information

12

Optical Storage Device

A storage device that uses laser beams to read the information stored on the reflective surface of a disc

13

Hard Drive

The most commonly used type of secondary storage device, which stores bits of data as aligned particles on the surface of a magnetic disk

14

Floppy Disk Drive

A storage device that reads floppy disks

15

CD-ROM Drive

The most common read-only optical storage device