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Batch file
A type of file that lets you execute a series of MS-DOS
commands by typing one command. Batch files are text files
with the filename extension .BAT. In a batch file, each
command is entered on a separate line. When you type the
filename, all the commands in that file are executed
sequentially.
Baud rate
A measure of the speed of data transmission. Usually
equivalent to bits per second.
Bit
A binary digit (0 or 1). The smallest unit of computer storage.
The value of a bit represents the presence ( 1) or absence (0) of
an electric charge.
Boot
To load the operating system or a program into the computer’s
memory.
Byte
A sequence or group of eight bits that represents one character.
CGA
Color Graphics Adapter. A type of circuit board that is
installed in one of the computer’s I/O slots that can generate
up to 25 lines of text with 80 characters on each line, or
monochrome graphics with a 640 x 200 resolution and four-
color graphics at 320 x 200 resolution.
Character
Anything that can print in a single space on the page or the
screen. Includes numbers, letters, punctuation marks, and
graphic symbols.
2 Glossary