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A typewriter-like keyboard and CRT display screen connected to the
terminal:
computer for the input/output of data.
A diagnostic program used for testing and configuring the RAM, printer,
TDIAG:
diskette drive, and video system on the T1950 series computers.
A color LCD technology that applies individual transistors to each pixel
TFT:
enabling fine display control and execellent screen legibility.
touch-tone dialing:
*) is represented by two tones.
Transistor-transistor logic.
TTL:
transistors for gates and storage.
U
upper memory area (UMA):
used mostly for video memory and other system functions, also contains small
blocks of memory (upper memory blocks) that the computer can use for device
drivers and other memory resident program.
upper memory block (UMB):
which the computer may load programs and device drivers.
V
VDISK:
Virtual disk.
simulate a disk.
VDISK is a feature of MS-DOS operating system.
Video graphics array is an industry standard video adapter that lets you
VGA:
run any popular software.
virtual 8086 mode:
processor that allows the computer to emulate multiple real mode processors
(8086) and still switch to and from protected mode.
volatile memory:
Random access memory (RAM) that stores information as long as
the computer is connected to a power source.
W
Restarting or resetting a computer without turning it off.
warm start:
A portion of the screen that can display its own application or
window:
document.
Often used to mean a Microsoft Windows window.
write protection:
accidental erasure.
A dialing technique used by the modem.
Also called DTMF (dual tone multi-frequency).
A logic circuit design that uses switching
The area of memory between 640 KB and 1 MB. This area,
Continuous regions of the upper memory area into
Part of the computerÕs random access memory assigned to
A microprocessor mode introduced with the Intel 80386
A method for protecting a floppy disk (diskette) from
Each digit (or # or
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