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Com8- Com13
Com8- Com13
25
Computer Science
10th Grade
09/10/2007

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Term
Memory
Definition
also called random access memory, or RAM, consists of electronics components that temporarily store instructions waiting to be executed by the processor by the processor, data needed by those instructions, and the result of processed data.
Term
Kilobyte
Definition
(K or KB) = 1000 bytes
Term
Mega bytes
Definition
1,000,000,000 bytes
Term
Byte
Definition
1 slot of information
Term
Impact Printer
Definition
Prints by striking an inked ribbon against the paper. Dot matrix printer
Term
Non Impact printer
Definition
Prints by mean other than striking a ribbon on the paper. Inkjet, and laser
Term
Inkjet
Definition
Forms characters or graphics, that sprays tiny drops of ink on the paper
Term
Laser printer
Definition
A high speed, high -quality nonimpact printer. Copier machine technology, converts data from the computer into a beam of light that is focused on a photo conductor drum, forming images to be printed
Term
PPM
Definition
Pages Per Minute
Term
Display Device
Definition
An output device that visually conveys text, graphics and video information
Term
Monitor
Definition
A display device that is packaged as a separate unit
Term
LCD monitors
Definition
The most popular type of flat panel monitor
Term
CRT
Definition
Cathode ray tube monitor composed of individual pictures picture elements called pixels
Term
Pixel
Definition
Means individual picture elements
Term
Storage devices
Definition
Used to store instructions, data, and information when not being used in memory
Term
Magnetic Disks
Definition
Use magnetic partials to store items such as data, instruction, and information's on a magnetic disk
Term
Formatting
Definition
Is the process of dividing the disk into tracks and sectors
Term
Tracks
Definition
A narrow recording band that forms a full circle on the surface of the disk
Term
Sectors
Definition
Pie shaped sections which break the tracks into small arcs called sectors
Term
Hard disk
Definition
A storage device that contains one or more inflexible, circular platters that magnetically store data, instructions, and information
Term
Head Crash
Definition
When a read/write head touches a platter , usually resulting in loss data or sometimes the entire drive
Term
Backup
Definition
Duplicate of a file program or disk that you can use in case the original is lost damaged, or destroyed
Term
Floppy disk drive
Definition
Also called diskette, and inexpensive portable storage of medium
Term
Floppy disk drive
Definition
Can read or write on a floppy disk, either external or built into device
Term
Access time
Definition
The time required to access and retrieve data
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