Computer Hardware What device prevents power interruptions, resulting in corrupted data? Multiple SIMMs strips Battery back-up unit Surge protector Data guard system Multiple SIMMs strips Battery back-up unit Surge protector Data guard system ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware How many DMA channels are in an AT-machine? 4 8 7 None of these 3 4 8 7 None of these 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this? non-static compressed air use a lint-free cloth and wipe gently any small vacuum device blow real hard on the system board reverse vacuum non-static compressed air use a lint-free cloth and wipe gently any small vacuum device blow real hard on the system board reverse vacuum ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Which hardware component controls serial port communications? UART 16550 DMA823 CPU ROM BIOS None of these UART 16550 DMA823 CPU ROM BIOS None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What device protects against line deficiencies? Logic probe UPS Capacitor Surge protector Logic probe UPS Capacitor Surge protector ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do? flash or upgrade the BIOS check the jumper setting on the cd-rw add cdrw in the device manager None of these check the CONFIG.SYS flash or upgrade the BIOS check the jumper setting on the cd-rw add cdrw in the device manager None of these check the CONFIG.SYS ANSWER DOWNLOAD EXAMIANS APP
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