Wednesday, 28 March 2012

Text terminals

A argument terminal, or generally just terminal (sometimes argument console) is a consecutive computer interface for argument access and display. Information is presented as an arrangement of pre-selected formed characters. When such accessories use a video affectation such as a cathode-ray tube, they are alleged a "video affectation unit" or "visual affectation unit" (VDU) or "video affectation terminal" (VDT).

Originally argument terminals were cyberbanking computer terminals affiliated to computers by a consecutive port, but after computers accept congenital arrangement consoles, and terminal adversary programs that plan in a graphical desktop environment. Graphical displays accept not eradicated the argument terminal as it is acceptable for computer programmers and adapted for command-line interfaces and argument user interfaces. Most programming languages abutment accepted streams for inputting and press text, and it is simple to affix the streams to a argument terminal.

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