P

PPPoE

Point to Point Protocol Over Ethernet

PSU

Power Supply Unit

PCI

Peripheral Component Interconnect, normally this slot is located on the motherboard.

Page file

Also called Swap file, is the file that transmitting into the Hard Disk instead of RAM when there is no space into the physical RAM, and this is what we call it the Virtual Memory implementation.

Processor Scheduling

The Micro Processor gives a priority level to different processes running on the machine. When two processes are requesting service at the same time, the processor performs the jobs for the one with the higher priority.

Parity bits

Parity bits are used as a form of error checking during the information transmission.