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Epson Equity II User Manual

Page 66

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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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