`
`Data generated by a computer is referred to as output. This includes data produced
`at a software level, such as the result of a calculation, or at a physical level, such as a
`printed document. A basic example of software output is a calculator program that
`produces the result of a mathematical operation. A more complex example is the
`results produced by a search engine, which compares keywords to millions of pages
`in its Web page index.
`Devices that produce physical output from the computer are creatively called output
`devices. The most commonly used output device is the computer's monitor, which
`displays data on a screen. Devices such as the printer and computer speakers are
`some other common output devices.
`The opposite of output is input, which is data that is entered into the computer. Input
`and output devices are collectively referred to as I/O devices.
`
`Updated December 12, 2006 by Per C.
`
`Test Your Knowledge
`
`What is a person for whom a hardware device is designed for
`called?
`
`A Side user
`
`B Top user
`
`C
`
`Front user
`
`(cid:21)(cid:19)24
`
`
`
`D End user
`
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