Computer Hardware After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem? IRQ defective tape driver DMA defective LPT port IRQ defective tape driver DMA defective LPT port ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory. None of these Last 64k of conventional First 64k above conventional Last 64k of extended First 64k of extended None of these Last 64k of conventional First 64k above conventional Last 64k of extended First 64k of extended ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What IRQ is used for COM 2? 2 4 None of these 3 1 2 4 None of these 3 1 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Suppose that the power lamp in on, but the printer will not print. What can you do to correct the problem? Make sure the printer is on line Replace the AC line fuse Turn the printer on and off Replace the ribbon Make sure the printer is on line Replace the AC line fuse Turn the printer on and off Replace the ribbon ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware You suspect a virus has entered your computer. What will not be affected by the virus? Floppy disks Boot sector None of these Program files CMOS Floppy disks Boot sector None of these Program files CMOS ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What is the modem hang up command? ATZ ATX ATH ATHU ATZ ATX ATH ATHU ANSWER DOWNLOAD EXAMIANS APP