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Which of the following choices is considered to be the brain of the PC?
| ( | A | ) | | BIOS |
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| ( | B | ) | | ROM |
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| ( | C | ) | | CPU |
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| ( | D | ) | | Hard Disk |
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| ( | E | ) | | DVD |
The Correct Answer is: C
The most chosen answer was [ D ] :: [ Hard Disk ]
Explanation:
The CPU or microprocessor is considered to be the brain of the computer because it processes all the instructions sent to it by the other components.
COM 3 uses which of the following I/O addresses?
| ( | A | ) | | 2e8 |
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| ( | B | ) | | 2f8 |
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| ( | C | ) | | 2f7 |
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| ( | D | ) | | 3e8 |
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| ( | E | ) | | 3f7 |
The Correct Answer is: D
Explanation:
COM 3 is assigned the the I/O address 3e8.
Of the following DMA Channels which is used by the Floppy Disk Controller?
| ( | A | ) | | DMA2 |
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| ( | B | ) | | DMA4 |
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| ( | C | ) | | DMA5 |
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| ( | D | ) | | DMA6 |
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| ( | E | ) | | DMA7 |
The Correct Answer is: A
Explanation:
The most common DMA (Direct Memory Access) Channels should be known. The Floppy Disk Controller / Floppy Drive uses channel 2, (DMA2).
Of the following choices, which would be least likely to be infected by a computer virus?
| ( | A | ) | | A file located on a floppy disk |
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| ( | B | ) | | An e-mail from someone you know |
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| ( | C | ) | | A file stored in the C:/Windows directory |
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| ( | D | ) | | A Microsoft Word document |
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| ( | E | ) | | An application file on CD direct from the distributor |
The Correct Answer is: E
Explanation:
Unless the CD has a virus on it before it got to your computer, it is the least likely to be infected. CDs that are packaged with applications have been finalized and become read-only.
What tool would be used to check for line voltage sags?
| ( | A | ) | | Surge protector |
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| ( | B | ) | | Feedback circuit |
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| ( | C | ) | | Terminal adapter |
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| ( | D | ) | | Polarity tester |
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| ( | E | ) | | High frequency monitor |
The Correct Answer is: D
Explanation:
A Polarity tester is useful whenever there is a need to check for the presence of low voltage in insulated conductors, without having to touch the live cable or wire.
This quiz was generated by user benjamin c laudesa in march2002.
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