Atari PC Owner's Manual page 78

megabyte 1,024 (2' 0 ) kilobytes of memory. (See kilobyte. )
memory The electronic circuits that the Atari PC uses to store data and
programs. There are two kinds of computer memory: RAM and ROM. RAM
loses its data when the computer loses power; ROM retains its data whether
the computer has power or not. (See RAM and ROM.)
modem MOdulator/DEModulator. A device that enables you to establish
a communication link between your computer and other computers and
online information networks via telephone lines.
monitor See video display.
motherboard The integrated circuit board inside the Atari PC that includes
the processor chip, RAM chips, the video subsystem, and provisions for
additional chips.
mouse A small, hand-manipulated device connected to your Atari PC
that controls the movement of a pointer on the desktop. The mouse is
used with GEM applications and other programs that can be operated with
a mouse.
MS-DOS Microsoft Disk Operating System. The software that coordinates
all computer operations on the Atari PC.
MS-DOS command level The MS-DOS command line. Commands are
entered from the MS-DOS command level unless they can be selected from
within an application such as GEM Desktop.
MS-DOS command line The line on screen containing the MS-DOS prompt,
where you enter the names of MS-DOS commands and programs you want
to run.
numeric data processor An optional chip that performs math calcula­
tions (such as calculating spreadsheets) normally done by the system's
main processor. This processor has instructions that are carefully tuned
for fast and accurate floating point calculations.
parallel interface An industry-standard interface connecting parallel
printers and other parallel peripherals. The parallel interface port on the
back of the Atari PC is labeled "Printer."
parameter Further data entered with a command that specify how the
command will operate.
pathname The list of items that specify the path through the directories
on the disk to the current directory. A pathname consists of a string of
directories and subdirectories separated by backslashes (for example:
\DOCUMENT\ TEXT)
PC mode The Atari PC's standard operating speed of 4.77 MHz.
(Compare to turbo mode.)
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