Epson 386SX/16 PLUS manual 246

MS- DOS

Microsoft Disk Operating System. The operating system most commonly used with your computer. See also Operating system.

Numeric keypad

The number and cursor control keys grouped to the right of the keyboard.

Operating speed

The speed at which the central processing unit can execute commands. The Equity 386SX/16 PLUS can run at 16 MHz or

8MHz.

Operating system

A collection of programs (such as MS-DOS, OS/2, or UNIX) that manages a computer’s operations. The operating system determines how programs run on the computer and supervises all input and output.

Option card

A circuit board you install inside the computer to provide additional capabilities, such as a modem.

Parallel

The type of interface that transmits all the bits in a byte of data simultaneously over separate lines. See also Interface and Serial.

Parameter

A qualifier added to a command that tells MS-DOS what particular conditions to look for and specifies information such as what data to process and where to locate or store a file.

12 Glossary