Friday, August 29, 2008

Define :Azimuth What is Azimuth

Define :Azimuth What is Azimuth
Azimuth
The angular distance in the horizontal plane of a track usually measured as an angle from true track location.

Define :Average Access Time What is Average Access Time

Average Access Time
The average all possible combinations of seek lengths.

Define : Auxiliary Memory - What is Auxiliary Memory

Define : Auxiliary Memory - What is Auxiliary Memory
Auxiliary Memory
Memory other than main (RAM) memory. Usually a form of mass storage such as a hard disc drive, tape backup drive, or CD-ROM. Typically, auxiliary memory is non-volatile; meaning that the data stored in auxiliary memory will not be erased when power is removed.

Define:Auto-park -What is Auto-park

Define:Auto-park -What is Auto-park
Auto-park
An automatic process where the heads are moved to a location of the disc where data is not. This process happens when power is removed from the drive.

Define :Automatic Backup of Files -What isAutomatic Backup of Files

Define :Automatic Backup of Files -What isAutomatic Backup of Files
Automatic Backup of Files
An option setting that instructs the system to make a copy of an original before it replaces it with a newer saved version. This provides the security to make changes to a file without worrying about accidentally destroying it because there is always another copy. However, files take twice the disc space and only the current and one previous revision are saved.

Define :ATAPI What is Advanced Technology Attachment Packet Interface

Define :ATAPI What is Advanced Technology Attachment Packet Interface
ATAPI
Advanced Technology Attachment Packet Interface. ATAPI is a command protocol used for accessing ATA (IDE) peripheral devices. ATAPI is widely used on CD-ROM and tape backup units attached to ATA buses.

Define: ATA What is ATA

Define: ATA What is ATA
ATA
Advanced Technology Attachment. ATA is the most common interface used in consumer and corporate PCs today because of its lower cost and very favorable performance. ATA is also known as IDE (Integrated Drive Electronics) in the disc drive industry.