Plug-and-play

Plug-and-play is a computer feature that allows the addition of a new device

Parallel ports

A parallel interface for connecting an external device such as a printer. Most personal computers have both a parallel port and at least one serial port.

Modem

A device that modulates an analog carrier signal to encode digital information

Hackers

a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism

Firewall

a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet

Filling

a means of quickly populating a column with formula or data.

Fill handle

The Fill Handle in Excel is possibly one of Excels most under utilized features. For those of you that don't know of it, it's the small black square in the bottom right of the active cell.