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Direct Digital Controls And Lab Practice Test

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Which term best describes a terminal that can display 20 to 60 lines of information?
Correct Answer:
Dumb terminal
Explanation:
A dumb terminal is a simple display device that relies on a host computer to do all the processing and to supply the data it shows. It typically displays a fixed number of text lines, such as around 20 to 60, which matches the description here. It doesn’t run programs or perform calculations locally, just presents what the host sends. The other options don’t fit this scenario: a keypad display is mainly input-focused with a basic screen; an alarm printer outputs printed alerts; a portable operator terminal implies more capability and local processing. So the terminal that best describes displaying 20 to 60 lines is a dumb terminal.

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