S e c t o r

A contiguous section of a disk track that provides an address at which the computer can access data.

Se/f test

The initial diagnostics procedures a system performs to check its hardware. Also called Power-on diagnostics.

S e r i a l

The type of interface that transmits data one bit at a time. See Interface and ParalIel.

Shadow RAM

The feature that enables the computer to copy the ROM BIOS and video ROM into the RAM area of memory to speed up processing.

S/MM

See Memory module.

Software

The programs that enable your computer to perform the tasks and functions you indicate.

Subdirectory

A directory or group of files that branches down from another subdirectory or from the root directory.

Glossary 17