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area code a set of three numbers given to different areas of the United States and Canada for telephone service. An area code must be dialed before the telephone number when calling someone outside a local area.
bar code a set of black bars on a white background printed on the labels of goods and mail. A bar code is scanned by a computer that reads information such as price.
BASIC a beginning computer language. BASIC stands for "beginner's all-purpose symbolic instruction code."
computer language a system of words and symbols that is used to program a computer; code. There are hundreds of computer languages, such as C, Cheetah, and JavaScript.
computer virus a code added to a computer program that can attach itself to and seriously damage other programs.
decipher to change from a code into ordinary language. [1/2 definitions]
decode to change from code into ordinary language.
dialing code the British word for the set of digits at the beginning of a telephone number that represents a telephone district. Dialing code has a meaning similar to area code.
telegram a message sent in code by electronic means over wires.
telegraph a system by which messages may be sent by electronic means. The telegraph puts messages in code and sends them along wires. [1/2 definitions]
Zip Code (Trademark) Zip Code is a U.S. Postal Service system that uses a code of five or more numbers to identify every postal delivery area in the United States. Zip stands for "Zone Improvement Plan."