A+ Quiz with Pictures

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I just found a website that has A+ quiz with pictures.

Anyway thought I'd post it here, hope it helps someone

A+ Questions

 

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Nice one UCM. 12 out of 20,:hhhmmm good job I'm not taking my A+ today.

 

Well i managed 14 out of 20, bit poor but nevermind lol

 

Very interesting. I got 16. And I take issue with one of the 'correct' answers - but I'll have to do some research first!

Harry.

 

What one was that?

 

17/20. Been studying A+ for three days, lol. Its not A+ at though, its just general hardware identification. I'm pretty sure we don't need to know about the 1st 32 bit bus and the first CPU to have a co-processor.

 

I'm not happy about the power suppy one early on. Is that that the one that's narking you Harry?

 

If its not plugged in its not grounded. So that is iffy, but some do unplug it.

 

That's what I thought.

If It's plugged in, it's earthing the equipment.
It can still be turned off at the plug but it provides the perfect ground while working on a machine.

 

hmmmm :hhhmmm 15/20 glad I'm taking the OS exam first and not HD otherwise I would be in trouble!

Err what does everyone think about question 19?

It ask for scsi-1 yet the correct answer for it refers to scsi-2 which has the same number of pins as fast scsi. Except fast scsi has 10mbps of transfer speed compared to 8mbps.


What do you reckon harry?

 

I never could get to grips with the SCSI section in the A+!!

12/20 for me.

 

No - I got that one right - *both* 1 and 2.

Harry.

 

Q 18. Heatsink compound has never contained Mercury AFAIK. Mercury is a *highly* poisonous metal, and I seriously doubt that it would be put into such a product.

IMHO the correct answer is silicone.

Harry.

 

No - 50 way cable is correct for SCSI-1 (I have fitted enough of them in my time!).

The only alternative cable is for wide-SCSI - which uses 68 way cable.

Harry.

 

Harry - your knowledge always astonishes me! Top Man!

 

I did actually think that myself, but im not totally sure. I answered none of the above tho. I just thought that silicone wouldnt be very good at removing heat

 

I guess this clears it up tho mate, cant find anything else
http://www.nteinc.com/MSDS/MSDS_NTE424.pdf

 

Hey that's what I put - silicone and got it wrong, no way would people use mercury, then again the UK does use MDF, even though it's banned from use in Europe?

 

Only got 13/20 but I haven't studied any A+

Harry I agree, I said Silicone in my answer too.

 

If it's not plugged in, then one might ask why would it need to be grounded?

As far as static is concerned, electricity behaves in a strange way. You do not need a conductive circuit in order for static (the flow of free electrons) to move from one object to another. In fact static can exist in materials which are considered non conductors like plastics and nylon etc.

The case of a PC, even if it is unplugged will be grounded as far as the internal wireing of the components are concerned. You really only need an earth, when you are discussing electricity in the normal sense and it has to do with neutral and the way in which power stations have paths back to neutral through either the neutral wire or ground.

You have experienced this static flow of electrons I am sure, to a conductor which is not earthed or part of a conventional circuit, like a door handle. That crack ouch spark when you discharge to a door handle is the same as discharging to the case of a PC. The static charge will dissipate through the case metal and not travel through the electronic components etc whether it is plugged in or not.

Pete