Computer Hardware The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is: None of these System RAM problem Defect in the computers video circuitry Disconnected video cable Defective monitor None of these System RAM problem Defect in the computers video circuitry Disconnected video cable Defective monitor ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware How many DMA channels are there in an AT class PC? 4 None of these 3 7 8 4 None of these 3 7 8 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware On PC power supplies, the wire attached to pin one is usually: red or white white or orange red or black blue or white blue or red red or white white or orange red or black blue or white blue or red ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What is the jumper setting on a SCSI device to configure it to use the fourth SCSI id? Remember, SCSI ids start with zero. 10 1 11 110 101 10 1 11 110 101 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware How does a parallel port communicate information to a peripheral device? 16,555 bytes at a time 8 bytes at a time None of these one bit at a time one byte at a time 16,555 bytes at a time 8 bytes at a time None of these one bit at a time one byte at a time ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What beep codes could indicate a system board or power supply failure? no beep steady short beep one long continuous beep tone All of these steady long beeps no beep steady short beep one long continuous beep tone All of these steady long beeps ANSWER DOWNLOAD EXAMIANS APP
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