Computer Hardware
You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?

replace the RAM
disable the CPU cache in CMOS
replace the level 2 cache SIMM
replace the CPU
rotate the RAM

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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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Computer Hardware
ISDN stands for:

internal select data nulls
inferior sector data net
integrated services digital network
interior sector direct none
interval set down next

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