Computer Hardware
What tool is used to test serial and parallel ports?

cable scanner
loop backs (wrap plugs)
sniffer
high volt probe
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Hardware
During boot-up, the memory test

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

ANSWER DOWNLOAD EXAMIANS APP