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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 [ D ] :: [ When using compressed air to clean the motherboard ]
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.
A Serial Port on the back of a PC would most likely be used to connect to which external device?
| ( | A | ) | | Monitor |
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| ( | B | ) | | Scanner |
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| ( | C | ) | | SCSI Card |
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| ( | D | ) | | Printer |
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| ( | E | ) | | Modem |
The Correct Answer is: E
Explanation:
External Modems are connected to a serial port. DSL and Cable Modems which aren't really 'modems' would be connected to an RJ45 port on a NIC.
There are many different connector types that are used on network cables. Which of the following is a common Network Cable Connector?
| ( | A | ) | | BNC |
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| ( | B | ) | | RJ-45 |
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| ( | C | ) | | AUI |
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| ( | D | ) | | ST / SC |
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| ( | E | ) | | All of the above are connectors |
The Correct Answer is: E
Explanation:
They are all common network cable connectors.
BNC: used with coaxial cables
RJ-45: used with 8-wire network cables, most commonly found with Ethernets.
AUI: used with coaxial cables
ST / SC: used with fiber optic cables
A 3.5" High-Density floppy disk typically holds ___ of data.
| ( | A | ) | | 420KB |
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| ( | B | ) | | 780KB |
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| ( | C | ) | | 1.2MB |
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| ( | D | ) | | 1.44MB |
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| ( | E | ) | | 1.6MB |
The Correct Answer is: D
Explanation:
A high-density 3.5" floppy disk has a storage capacity of 1.44MB.
How many pins a DIN-5 connector will have?
(this question provided by simulationexams.com)
| ( | A | ) | | 3 |
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| ( | B | ) | | 4 |
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| ( | C | ) | | 5 |
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| ( | D | ) | | 9 |
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| ( | E | ) | | None of the above |
The Correct Answer is: C
Explanation:
Usually, Keyboards come with two types of
connectors. They are:
1.
DIN-5
2.
Mini DIN-6
DIN-5 are used with AT style keyboards. DIN-5 has 5
pins. Mini DIN-6, also known as PS/2 connector has around port with 6 pins, one
of which being a square pin used for alignment.
This quiz was generated by user abc in april2002.
a+ certification || gmat test prep || pool game || funny joke
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