I

icon
a small graphic which when clicked runs a program, executes a command or opens a document.
impact printer
printer in which something strikes paper and ribbon together to form a character, like in a typewriter.
information
data that has been processed into useful form
ink jet printer
printer that sprays ink onto paper to form characters
input
everything you tell the computer
input device
device used to give the computer data or commands. Includes keyboard, mouse, scanner, etc.
input/output storage
where keystrokes and data are stored as they are input or output before being processed
insert
add text at location without overwriting existing text
Integrated Software
a program combining the basic features of several other programs.
interlaced
a scanning pattern for monitors that scans every other row of pixels.
internal device
plugs into a slot inside a computer
interpreter
program which translates the program statements into machine language one line at a time as the program is running
IRC
see "chat"
ISA slot
older type of slot on motherboard for peripheral device boards
ISDN terminal adapter
Integrated Services Digital Network. A digital device which connects a computer to a digital communications line
instant messaging
a program which notifies you when your "friends" (people on your list) are online. You can write them messages which they receive right away (instantly). Usually only the person you send a message to can read it.