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Computer Science · all questions

Computer Hardware
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Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

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A parity error usually indicates a problem with:

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What is the i/o address for com1?

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The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:

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You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?

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What is your first action when windows reports that your hard drive is developing bad sectors?

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In laser technology, what happens during the transfer stage?

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How many IRQs does a chain of USB devices require?

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Resistance is measured in units of:

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Which provides the fastest data access time?

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How is ink transferred to paper in common ink jet printers?

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Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

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Which controller would support an external CD-ROM drive?

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In inkjet printers, what is the most common problem with the paper tray?

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A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?

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The DC voltage on most circuit boards is:

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On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

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The buffers statement is found in what file?

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What configuration should a Volt-Ohm meter he set to when testing a fuse?

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What voltage does a 586 system use?

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