Real Dictionary

readout
countable noun: If an electronic measuring device gives you a readout, it displays information about the level of something such as a speed, height, or sound.

readout in American English
of or pertaining to any device that presents data output, as in numbers, letters, etc., for immediate use
the act of retrieving information from storage in a digital computer
noun: the output of information from a computer in readable form

readout in British English
noun: a display on an electronic measuring device showing the level of something such as a speed, height, or sound