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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 [ A ] :: [ COM1 ]
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 |
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.
A typical 80min CD-ROM can hold approximately how much data?
| ( | A | ) | | 700MB |
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| ( | B | ) | | 800MB |
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| ( | C | ) | | 600MB |
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| ( | D | ) | | 500MB |
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| ( | E | ) | | 128MB |
The Correct Answer is: A
Explanation:
An 80Min cd-rom can hold approximately 700MB of data.
While installing an expansion board into a PC you are faced with a device conflict error. From the choices below, which is NOT likely to be related to the conflict.
| ( | A | ) | | DMA Channels |
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| ( | B | ) | | RAM Addresses |
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| ( | C | ) | | I/O Addresses |
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| ( | D | ) | | ROM Addresses |
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| ( | E | ) | | None are related to the conflict |
The Correct Answer is: B
Explanation:
RAM Addressing is not likely to be the cause of the conflict. You should check the other Channel and Address allocations to make sure that there are no conflicts.
Which of the following Modem commands would be used to disconnect (hang up)?
| ( | A | ) | | ATZ |
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| ( | B | ) | | ATH |
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| ( | C | ) | | ATDT |
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| ( | D | ) | | AH0 |
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| ( | E | ) | | EXIT |
The Correct Answer is: B
Explanation:
ATH can be typed into a terminal input screen to disconnect or hang up from a call.
This quiz was generated by user guest151236 in sept2002.
a+ certification || gmat test prep || pool game || funny joke
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