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Peripheral Device
A piece of equipment which performs a specific function associated with but not integral to a computer. Examples: a
printer, a CD-ROM.
Pitch (keyboard)
The distance between the centers of the letter keys of a keyboard.
Pixel
The smallest element of a display, a dot of color on your display screen. The more pixels per area the clearer your
image will appear.
POST
Power On Self Test. A program which is part of the BIOS which checks the configuration and operating condition of
your hardware whenever power is applied to your notebook. Status and error messages may be displayed before the
operating system is loaded. If the self test detects failures that are so serious that operation cannot continue, the
operating system will not be loaded.
PPPoE
Point to Point Protocol over Ethernet. A protocol for Ethernet, using a Point-to-Point Protocol (PPP), which is used for
connection on the phone line.
Program
An integrated set of coded commands to your computers telling your hardware what to do and how and when to do it.
Protocol
Procedures and rules use to send and receive data between computers.
- Method of sending and receiving data
- Process used to handle communication errors
Conditions required for communication are organized in procedures for correct transfer of information.
