Computer Hardware A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem? None of these The motherboard The keyboard connector A second bad keyboard The keyboard controller chip None of these The motherboard The keyboard connector A second bad keyboard The keyboard controller chip ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What is the size of the reserved memory area? 384 kb None of these 640 kb 64 kb 1024 kb 384 kb None of these 640 kb 64 kb 1024 kb ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed: Platten bearings Printhead Paper advance bearings None of these Carriage rails Platten bearings Printhead Paper advance bearings None of these Carriage rails ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of: FYI EMI EXE RFI IOU FYI EMI EXE RFI IOU ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware The POST routine, which counts system board RAM first, is stored in: CMOS RAM microprocessor 8259 POST controller ROM BIOS CMOS RAM microprocessor 8259 POST controller ROM BIOS ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware How can you totally protect a PC from damage during an electrical storm? Disconnect the AC power cable Disconnect all external cables and power cords None of these Use a surge protector Turn off the AC power Disconnect the AC power cable Disconnect all external cables and power cords None of these Use a surge protector Turn off the AC power ANSWER DOWNLOAD EXAMIANS APP
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