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configuration.
A key or sequence of keys you enter from the keyboard to initiate
control keys:
a particular function within a program.
Built-in hardware and software that controls the functions of a
controller:
specific internal or peripheral device (e.g. keyboard controller).
conventional memory:
temporarily stores data.
Characters per second.
CPS:
of a printer.
Central processing unit.
CPU:
executes instructions.
Cathode Ray Tube.
CRT:
screen-producing luminous spots.
Clear to Send.
CTS:
transmission direction; used in the exchange of data between computer and serial
device.
A small, blinking rectangle or line that indicates the current position
cursor:
on the display screen.
D
data:
Information that is factual, measurable or statistical that a computer
can process, store, or retrieve.
A data communications parameter controlling the number of bits
data bits:
(binary digits) used to make up a byte.
generate 128 unique characters.
unique characters.
Direct Current.
DC:
of power is usually supplied by batteries.
Data Communication Equipment. DCE and DTE indicate whether the specific
DCE:
equipment transmits on pin 3 and receives on pin 2 (DCE) or transmits on pin 2
and receives on pin 3 (DTE).
The parameter value automatically selected by the system when you or
default:
the program do not provide instructions.
To remove data from a disk or other data storage device.
delete:
with erase.
A program that controls communication between a specific
device driver:
peripheral device and the computer.
that MS-DOS loads when you turn the computer on.
The first 640KB of RAM where MS-DOS runs programs and
Also called standard memory.
Typically used to indicate the transmission speed
The portion of the computer that interprets and
A vacuum tube in which beams projected on a fluorescent
An example is the television set.
An RS-232-C signal that indicates a change in the
If data bits = 8 the computer can generate 256
Electric current that flows in one direction.
DTE.
See
The CONFIG.SYS file contains device drivers
If data bits = 7 the computer can
Also called a preset value.
This type
Synonymous
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