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Program
A disk file that contains coded instructions and tells a computer what
to do and how to do it.
Random Accesss Memory. The part of memory that a computer can
both read and write to. The programs you use are temporarily stored
in RAM. All data stored in RAM is erased when you turn off the
power.
Read
To copy data from one area to another. For example, when you open
a text file stored on disk, the computer reads the data from the disk
and displays it on the screen.
Read/write head
The physical device inside a disk drive that reads and records data on
the magnetic surface of a disk.
Reset
To reload a computer’s operating system so that you can retry a task
or begin using a different operating system. Resetting clears RAM.
RGB
Red Green Blue. An RGB monitor displays in high-resolution color.
ROM
Read Only Memory. A portion of memory that can only be read and
cannot be used for temporary storage. ROM retains its contents even
when you turn off the power.
RS-232C
A widely-used, standard type of serial interface. You can easily con-
nect RS-232C-compatible devices to the Equity II.
Sector
A contiguous section of a disk track that provides an address at
which the computer can access data.
Self-test
The procedure a computer performs to check its hardware when you
turn it on.
serial
The type of interface which transmits data one bit at a time. See
Interface and Parallel.
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