Define Battery | What is Battery

A power source for use outside or as an alternate to electricity. Prevents unique information about the setup of the computer from being lost when the power is turned off. Also maintains the external clock time (not to be confused with the CPU's clock).

Define Bandwidth | What is Bandwidth

Used in several ways to denote the amount of data or load capacity of a medium. (1) The range of frequencies that an electronic system can transmit. High bandwidth allows fast transmission or the ability to transmit many signals at once. (2) On a monitor screen, a higher bandwidth provides a sharper image. (3) The rate at which data can be sent over a modem or other telecommunication device.

Define Backslash | What is Backslash (\)

Symbol used to separate each directory level, for instance C:\Windows\Utilities. For this reason, it is a reserved character and cannot be used as part of a filename.

Define Attachment | What is Attachment

A file attached to e-mail; most e-mail clients allow the user to append files (for instance, graphics files like .gif or .jpeg files) to e-mail as a handy way of sending information to other people.

Define Asynchronous | What is Asynchronous

Not synchronized—the computer is free to transmit any number of characters at any time. The bits constituting a single character are transmitted at a fixed rate, but the pauses between transmissions can be of any duration.