Computer Hardware The DC voltage on most circuit boards is: 0 volts 12 volts -12 volts +5 volts 0 volts 12 volts -12 volts +5 volts ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is: System RAM problem None of these Defect in the computers video circuitry Disconnected video cable Defective monitor System RAM problem None of these Defect in the computers video circuitry Disconnected video cable Defective monitor ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware A brownout is defined as: alternating power out, power on lasting a few minutes complete power out lasting a few minutes a slightly decreased voltage lasting from seconds to minutes or more a slightly elevated voltage lasting from seconds to minutes or more has nothing to do with electricity alternating power out, power on lasting a few minutes complete power out lasting a few minutes a slightly decreased voltage lasting from seconds to minutes or more a slightly elevated voltage lasting from seconds to minutes or more has nothing to do with electricity ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What IRQ is used for COM 2? 3 None of these 1 4 2 3 None of these 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware On a dot matrix printer, you should never lubricate which part? paper advance bearings carriage bearings carriage rails None of these printhead pins paper advance bearings carriage bearings carriage rails None of these printhead pins ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware COM1 is typically represented by which of the following? 9 pin female port 9 pin male port 15 pin port 25 pin male port 9 pin female port 9 pin male port 15 pin port 25 pin male port ANSWER DOWNLOAD EXAMIANS APP