the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers.
the study of computers and their application
Collins English Dictionary - Complete & Unabridged 10th Edition
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The study of the design and operation of computer hardware and software, and of the application of computer technology to science, business, and the arts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.