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Enter a keyword...   ...or choose a category. choose one... Communications Computer Industry Companies Computer Science Data Graphics Hardware Internet and Online Services Mobile Computing Multimedia Networks Operating Systems Programming Software Standards Types of Computers World Wide Web   I/O Last modified: Thursday, June 21, 2001  Short for input/output (pronounced "eye-oh"). The term I/O is used to describe any program, operation or device that transfers data to or from a computer and to or from a peripheral device. Every transfer is an output from one device and an input into another. Devices such as keyboards and mouses are input-only devices while devices such as printers are output-only. A writable CD-ROM is both an input and an output device.   Related Categories Networks Related Terms I/O adapter integrated peripheral peripheral device PIA Shopping I O Products Compare Products,Prices and Stores Shop by Category: Health Aids 353 Store Offers Boating and Sailing Accessories 275 Store Offers Personal Care 457 Store Offers Security Systems and Surveillance 206 Store Offers Servers 279 Model Matches