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Epson LT - 286e User Manual

Page 146

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Operating system

A collection of programs that allows a computer to control all

of its operations. The operating system determines how

programs run on the computer and supervises all input and

output. Your computer comes with MS-DOS, an operating

system by Microsoft.

Option card

A circuit board you install in a slot in your main unit. Option

cards provide additional capabilities, such as a mouse, fax, or

network. The expansion slot on the LT-286e is accessed from

the bottom of the computer.

Parallel

A type of interface that transmits data in groups of bits.

Distinguished from serial, a type of interface in which bits are

transmitted one at a time.

Parameter

A term added to a command that tells the computer how to

perform the command (for example, what data file to use or

what particular conditions to expect).

Parity

A bit used to verify the accuracy of data.

Partition

To divide a hard disk into logical sections for use by one or

more operating systems. You must partition a hard disk before

you can use it, even if you intend to install only one operating

system on the disk.

Glossary

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