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At what point is it dangerous to be wearing a wrist band grounding strap?
| ( | A | ) | | While working close to an open monitor |
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| ( | B | ) | | When removing a hard disk from a PC |
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| ( | C | ) | | While installing additional RAM |
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| ( | D | ) | | When using compressed air to clean the motherboard |
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| ( | E | ) | | When replacing a bad Power Supply |
The Correct Answer is: A
The most chosen answer was [ B ] :: [ When removing a hard disk from a PC ]
Explanation:
It is very dangerous to be wearing a wrist band ground strap around an exposed monitor because the CRT (Cathode Ray Tube) will hold an incredible charge for a short time period after power has been disconnected.
While working on the components of a PC with the case open which of the following is the best type of grounding to use?
| ( | A | ) | | Common ground |
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| ( | B | ) | | Power cables wrapped once around arm |
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| ( | C | ) | | Lean on the PC chassis |
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| ( | D | ) | | AC outlet grounding |
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| ( | E | ) | | Keep one hand on the Power Supply |
The Correct Answer is: D
Explanation:
It is safest to use the wall outlet's AC grounding.
A 25-pin, female D-shell connector which can be found on the back of a computer is what type of port?
| ( | A | ) | | Parallel |
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| ( | B | ) | | Serial |
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| ( | C | ) | | Game |
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| ( | D | ) | | Monitor |
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| ( | E | ) | | SCSI |
The Correct Answer is: A
Explanation:
The parallel port uses a 25-pin female connector coming out of the back of a PC.
Which of the following still holds a charge even after the power to the system has been disconnected?
| ( | A | ) | | Capacitor |
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| ( | B | ) | | Fuse |
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| ( | C | ) | | SIMM chip |
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| ( | D | ) | | CMOS |
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| ( | E | ) | | CPU |
The Correct Answer is: A
Explanation:
The Capacitor will keep a charge for an amount of time even after all power has been disconnected. A Capacitor holds a charge in the form of an electrostatic field.
What is the data transfer rate of a single-speed CD-ROM drive?
| ( | A | ) | | 150KB / sec |
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| ( | B | ) | | 450KB / sec |
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| ( | C | ) | | 800KB /sec |
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| ( | D | ) | | 1.2MB / sec |
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| ( | E | ) | | 1.44MB / sec |
The Correct Answer is: A
Explanation:
Single-speed CD-ROM drive transfer data at 150KB / sec. It is rare to find a single-speed drive nowadays but newer driver base their speed on a multiple of 150KB / sec.
This quiz was generated by user guest191624 in july2002.
a+ certification || gmat test prep || pool game || funny joke
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