A laser printer generates a totally black page, what is the cause? no power to transfer corona no power to the primary corona None of these malfunctioning imaging laser low level in the toner cartridge TRUE ANSWER : ? YOUR ANSWER : ?
To prevent the computer from overheating you should? Remove the slot cover from the back All of these Keep the computer cover closed Remove the CPU fan None of these TRUE ANSWER : ? YOUR ANSWER : ?
A 25-pin female connector on the back of your computer will typically be: COM2 port Docking None of these Serial port 1 A parallel port TRUE ANSWER : ? YOUR ANSWER : ?
During preventative maintenance on a dot matrix printer, do NOT lubricate: Print head pulley Print head pins Paper advance gear bushings Platen assembly TRUE ANSWER : ? YOUR ANSWER : ?
IRQ6 is typically reserved for: The modem The keyboard controller The floppy LPT2 TRUE ANSWER : ? YOUR ANSWER : ?
A parity error usually indicates a problem with: I/O controller memory hard drive controller hard drive power supply TRUE ANSWER : ? YOUR ANSWER : ?
ESD damage can be caused by: Placing an IC on a grounded mat None of these Repeated sags in current supplied from outlets Touching metal on the chasis Placing an IC in a non-conductive plastic bag TRUE ANSWER : ? YOUR ANSWER : ?
Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because: software tends to correct I/O conflicts the BIOS sometimes has more of a problem controlling IRQs there are a lot more I/O addresses than IRQs. I/O addresses cannot conflict software tends to mess up IRQs TRUE ANSWER : ? YOUR ANSWER : ?
Which provides the fastest access to large video files? Optical drives IDE hard drives EIDE hard drives SCSI hard drives None of these TRUE ANSWER : ? YOUR ANSWER : ?