Glossary - Computers, Programming

Socket - a connection that allows a computer processors to be connected to a motherboard.
Software – that part of a computer system that consists of encoded information or computer instructions, in contrast to the physical hardware from which the system is built.
Unix – an operating system that originated at Bell Labs in 1969 as an interactive time-sharing system. Ken Thompson and Dennis Ritchie are considered the inventors of Unix. In 1974, Unix became the first operating system written in the C language. Unix has evolved as a kind of large freeware product, with many extensions and new ideas provided in a variety of versions of Unix by different companies, universities, and individuals.
Upgrade - a new version of a software or hardware product designed to replace an older version of the same product.
Variable – a value that can change depending on conditions or on information passed to the program. For example, an integer expressed as a decimal number or a string of text characters, usually limited in length.
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