Computer output microfilm is the product of copying information from electronic media onto microfilm. COM technology, with a history that dates back to the first patent for microphotography in 1839, has been used for doc... More »

A microfiche is a single sheet of plastic that contains several images of pages of text, whereas microfilm is a long spool of plastic film that winds and rewinds to view images of text. In both instances, these microform... More »

The University of Arizona maintains copies of the Arizona Republic newspaper on microfilm. Its collection includes all issues of the Arizona Republic published between 1930 and 2010. Issues published after 2010 are avail... More »

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A disk I/O error happens when a computer is unable to perform an input/output action (such as reading or copying data) when it is trying to access a drive or disk. This is often an indication of a drive's failure. More »

External computer parts are those that connect to the case, often to provide ways to input or output data. Most computers use a keyboard and mouse as external input devices and a monitor as an output device. Speakers, pr... More »

The four data processing functions of a computer are data input, processing, output and storage. Each process serves a distinct function in data handling, and each function makes use of specific hardware to facilitate it... More »

A computer processing device is the part of the computer that receives input, processes the input and gives output. In most computers, the central processing unit is the computer processing device. More »

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