Computer Hardware
UART is a type of serial chip. Its letters stand for

universal asynchronous receiver/ transmitter
unidirectional access regarding transmission
upper advanced real transfer
unable all restore t-bits

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Computer Hardware
During boot-up, the memory test

Is a superfluous step that should be ignored
Is an operational error
Displays what memory is installed, but nothing else
Checks and verifies that contiguous memory is installed

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