Computer Hardware What device prevents power interruptions, resulting in corrupted data? Battery back-up unit Multiple SIMMs strips Data guard system Surge protector Battery back-up unit Multiple SIMMs strips Data guard system Surge protector ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware A static jolt of as little of _____ volts can fry most any PC integrated circuit. 500 200 1000 200 30 500 200 1000 200 30 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware ESD damage can be caused by: Touching metal on the chasis Placing an IC on a grounded mat Placing an IC in a non-conductive plastic bag Repeated sags in current supplied from outlets None of these Touching metal on the chasis Placing an IC on a grounded mat Placing an IC in a non-conductive plastic bag Repeated sags in current supplied from outlets None of these 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 None of these Carriage rails Paper advance bearings Platten bearings Printhead None of these Carriage rails Paper advance bearings ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware The DC voltage on most circuit boards is: +5 volts -12 volts 0 volts 12 volts +5 volts -12 volts 0 volts 12 volts ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What's the best way to protect your hard drive data? run a regular diagnostic run scandisk at least once a week regular backups run chkdsk at least once a week periodically defrag it run a regular diagnostic run scandisk at least once a week regular backups run chkdsk at least once a week periodically defrag it ANSWER DOWNLOAD EXAMIANS APP