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IRQ2 is used with which of the following?
(this question provided by simulationexams.com)
| ( | A | ) | | COM1 |
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| ( | B | ) | | COM2 |
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| ( | C | ) | | LPT1 |
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| ( | D | ) | | Used to cascade the second IRQ controller |
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| ( | E | ) | | None of the above |
The Correct Answer is: D
The most chosen answer was [ B ] :: [ COM2 ]
Explanation:
The IRQ numbers and relevant Standard Device
Assignment are given below. It is important to memorize these values before
going to the exam, as there would be 5-10 questions on IRQs, and conflicts.
| IRQ |
Standard device Assignment |
| 0 |
System Time |
| 1 |
Keyboard |
| 2 |
Cascade to IRQ9. Can't be used |
| 3 |
COM ports 2 and 4 |
| 4 |
COM ports 1 and 3 |
| 5 |
Parallel Port LPT2. Often used for sound cards |
| 6 |
Floppy drive controller |
| 7 |
Parallel
Port, LPT1 |
| 8 |
Real Time Clock |
| 9 |
Unassigned (Also redirected from IRQ2 |
| 10 |
Available |
| 11 |
Available - Usually for SCSI adapter |
| 12 |
Mouse or touch pads |
| 13 |
Math co-processor |
| 14 |
Primary hard-disk IDE controller |
| 15 |
Secondary hard-disk controller |
When working on a user's PC you notice that the fan on the power supply is excessively dusty. After turning the PC off, what would you use to clean it?
| ( | A | ) | | Spray bottle of Windex |
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| ( | B | ) | | A toothe brush |
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| ( | C | ) | | Compressed air |
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| ( | D | ) | | A damp paper towel |
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| ( | E | ) | | A vacuum cleaner |
The Correct Answer is: C
Explanation:
The best thing to use would be a can of "Compressed air." You are least likely to cause damage when using it correctly. When using Compressed air, hold the can at least 6 inches from the target.
Which of the following files is NOT required for DOS to boot?
(this question provided by simulationexams.com)
| ( | A | ) | | COMMAND.COM |
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| ( | B | ) | | MSDOS.SYS |
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| ( | C | ) | | IO.SYS |
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| ( | D | ) | | AUTOEXEC.BAT |
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| ( | E | ) | | None of the above are required |
The Correct Answer is: D
Explanation:
The
file load order to start DOS is :
IO.SYS
MSDOS.SYS
CONFIG.SYS
COMMAND.COM
AUTOEXEC.BAT
Note
that CONFIG.SYS, and AUTOEXEC.BAT are optional to load DOS where as IO.SYS,
MSDOS.SYS, COMMAND.COM are required.
Which of the following can cause a CD-ROM from being read?
| ( | A | ) | | Scratches |
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| ( | B | ) | | Cracks |
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| ( | C | ) | | Dirt |
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| ( | D | ) | | Wetness |
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| ( | E | ) | | All of the above |
The Correct Answer is: E
Explanation:
All of the options can cause problems with the cd-rom being read. It is very important to keep your cd-roms in protective sleeves or cases when not in use.
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
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
This quiz was generated by user salil dixit in nov2002.
a+ certification || gmat test prep || pool game || funny joke
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