- Block-oriented terminal
A block-oriented terminal is a type of
computer terminalthat communicates with its host in blocks of data, usually chunks of text, as opposed to a character-oriented terminalthat communicates with its host one character at a time. The IBM 3270is perhaps the most common implementation of a block-oriented terminal.
The host sends to the terminal a description of the fields to be displayed. The terminal processes and then displays the page. When the user submits data, like updates in a
databaseentry, the entire field is sent to the host in one burst. This behavior has the advantage of causing less system load on the host and less network trafficthan character-oriented terminals. They are also more responsive to the user, especially over slow connections, since editing within a field is done locally on the terminal itself.
Text user interface
Command line interface
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