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Which of the following is the port address for serial port COM1?
(this question provided by simulationexams.com)
| ( | A | ) | | 3F0-3F7 |
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| ( | B | ) | | 2F8-2FF |
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| ( | C | ) | | 320-32F |
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| ( | D | ) | | 3F8-3FF |
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| ( | E | ) | | None of the above |
The Correct Answer is: D
The most chosen answer was [ A ] :: [ 3F0-3F7 ]
Explanation:
You need to memorize the following port addresses
before attending the exam.
Port-Base
address (in hex)
COM4:
2E8-2EF
COM2:
2F8-2FF
COM3:
3E8-3EF
COM1:
3F8-3FF
LPT2 :
278-27F
LPT1 :
378-37F
Floppy Controller:
3F0-3F7
Hard Drive Controller, 16
bit, ISA: 1F0-1F8
Which processor has first combined the L2 system cache inside the processor CPU package?
(this question provided by simulationexams.com)
| ( | A | ) | | 80486 |
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| ( | B | ) | | Pentium |
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| ( | C | ) | | Pentium Pro |
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| ( | D | ) | | Pentium III |
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| ( | E | ) | | None of the above |
The Correct Answer is: C
Explanation:
Pentium Pro was the first CPU package that included the L2 cache inside the CPU package itself.
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
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.
Which of the following choices is the type of data transmission used by a modem?
| ( | A | ) | | Multisynchronous |
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| ( | B | ) | | Asynchronous |
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| ( | C | ) | | Time-delay transmission |
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| ( | D | ) | | Synchronous |
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| ( | E | ) | | Digital |
The Correct Answer is: D
Explanation:
Asynchronous transmission is used by modems to send data intermittently rather than at a steady stream. This allows both parties to transmit data at the same time.
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).
This quiz was generated by user phanikumar in july2002.
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