CCITT (french abbr.): Comit´e Consultatif International T´el´egraphique et T´el´ephonique. Founded international organisation in 1932 to elect worldwide standards for data- and telecommunication. Gives references and defines standards for telecommunication. The CCITT is made up of national authorities, companies and national as well as international scientific organisations.
The older users of computers know some of the standards defined from the CCITT as an example the V.- and X.-standard.
The CCITT was merged 1993 as -> ITU.
Computer: consists of CPU, Monitor, Keyboard. Modern Computers with a graphical User Interface (GUI) you can control with a -> Mouse.