adaptor
GLOSSARY
RAM: random access memory
RGB: red, green, and blue
(Abbreviationscontinued)
ROM: read only memory
RTC: real time clock
SCSI: small computer system interface
SIO: serial input/output
SXGA+: super extended graphics array plus
TFT:
UART: universal asynchronous receiver/transmitter
USB: Universal Serial Bus
VESA: Video Electronic Standards Association
VGA: video graphics array
VRT: voltage reduction technology
WXGA: wide extended graphics array
XGA: extended graphics array
A
adaptor: A device that provides an interface between two dissimilar electronic devices. For example, the AC adaptor modifies the power from a wall outlet for use by the computer. This term also refers to the
circuit cards that control external devices, such as video monitors and magnetic tape devices.
allocate: To assign a space or function for a specific task.
alphanumeric: Keyboard characters including letters, numbers and other symbols, such as punctuation marks or mathematical symbols.
alternating current(AC): Electric current that reverses its direction of flow at regular intervals.
analog signal: A signal whose characteristics such as amplitude and frequency vary in proportion to (are an analog of) the value to be transmitted. Voice communications are analog signals.
ANSI: American National Standards Institute. An organization established to adopt and define standards for a variety of technical disciplines. For example, ANSI defined the ASCII standard and other information processing requirements.
antistatic: A material used to prevent the buildup of static electricity.
application: A group of programs that together are used for a specific task such as accounting, financial planning, spreadsheets, word process- ing and games.
