Glossary-8
VGA
Video Graphics Array. Graphics technology that supports many colors and resolutions (for
example, 256 colors and a graphics resolution of 800 by 600 pixels).
volatile memory
Storage media that loses its data when system power is turned off. Standard memory and
memory that you add to your computer are volatile memory. See nonvolatile memory.
wait state
The additional cycle beyond the minimum cycles required by the microprocessor to
complete a memory transaction. When additional cycles are required, the microprocessor
must wait for the additional cycle before the transaction is completed. A “zero wait state”
means that the operation required no additional cycles to complete the memory
transaction.
warm boot
Process of resetting the computer without turning off the power through keyboard input
(pressing
Ctrl
,
Alt
, and
Del
keys simultaneously) or the reset button. The system returns to
an initial or arbitrarily selected condition.
write
To record or store information to a storage device.
write protection
Allows reading from a diskette but prevents writing to a diskette.