This preview shows page 1. Sign up to view the full content.
Unformatted text preview: lifies and retransmits signals from earth stations.
Time division multiplexing: A method of sharing a communication channel in
which the total time available
Trojan horse: A computer virus disguised as a useful program, but containing
hidden instructions to perform some malicious task instead.
Truth table: A table which gives the output values for the various input
combinations in case of a logical expression.
Tuple: A group of related fields (a row of a table) in a relational database.
Turnaround time: The elapsed time between the submission of a job to a computer
system for processing and the completion of the job.
Turnkey solution: See end-to-end solution.
Twisted-pair cable: A simple, inexpensive, and slow wired transmission medium. UART: A chip on the device controller's card that converts parallel data from the
system bus of the computer into serial data that can flow through a serial cable or
Ultra Large Scale Integration (ULSI): Integration of about ten million electronic
components on to a single chip.
Ultra Voilet EPROM (UVEPROM): An EPROM chip in which the stored
information is erased by exposing the chip for some time to ultraviolet light.
Unbundled: A term, which means that the application software is priced separately
from the computer hardware.
Unconditional transfer: A program instruction that causes the program control to
flow out of normal sequence unconditionally.
Unibus architecture: An interconnection architecture in which there is a single data
bus, a single address bus, and a single control bus used to interconnect the CPU
with both the memory and I/O devices.
Unicode: A code for internal representation of characters. It uses two bytes to
represent more than 65,000 characters or symbols. It is targeted to cover all
languages of the world and mark computer programs and data internationally
Uniform Resource Locator (URL): An addressing scheme used by WWW
browsers to locate sites on the Internet.
Uninterrupted Power Supply...
View Full Document
This document was uploaded on 04/07/2014.
- Spring '14