Glossary
A
add-in board A device that plugs in to a desktop computer’s system unit and provides auxiliary functions. (Also called a card.)
address The location of an Internet host. An email address might take the form johndoe@xyz.com; a web address might look like www.xyztech.com. See also URL.
all-in-one computer A desktop computer where the system unit, monitor, and speakers are housed in a single unit. Often the monitor of such a system has s touchscreen display.
app See application.
application A computer program designed for a specific task or use, such as word processing, accounting, or missile guidance.
attachment A file, such as a Word document or graphics image, attached to an email message.
B
backup A copy of important data files.
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