Fujitsu LifeBook E8420 User Manual page 155

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 can not 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.
RAM
Random Access Memory. A hardware component of your LifeBook notebook that holds binary
information (both program and data) as long as it has the proper power applied to it.
150 - Glossary