PC Technicians - Slaithwaite Adult Education

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Things to consider. I have helped by providing links to sites I found using Google - You research the rest if you do not already know the answer.

What is the BTX standard?
What is a high resistance joint? How might it show as a fault with different PC components? What could you do to correct it with say a memory module or a hard disk drive?
In an ATX PSU what are 3 available voltages and their use in the PC?
What is new regarding the ATX specification for current model Pentium 4 and Athlon compatible PSUs?
For PC breakdowns, what is the percentage of PSU related issues? How does that compare to the percentage cost?
What features determine a quality PSU?
Consider 15 different power related faults with a PC?
What is ripple?
How much power does your computer need?
What are the voltage colour codes for a standard ATX PSU?
To test a PSU correctly it should be done under which situation; loaded or unloaded?
What is a 'burn-in' test?
Power supplies are built to a standard. Can you think of features of the ATX standard?
How can a PSU be started when disconnected from the motherboard?
If a machine will not start but the PSU starts with a bridge test (Green to Black) where is the most likely fault?
Some manufacturers spoof the grey wire 5 volt power good signal or may even not have one. How could this affect a PC?
How is heat related to power?
What is the difference between AC and DC Voltage?
What does filtering mean in power terms?
Why are voltages referred to as rails?
If you probed with a voltmeter between the +12V and +5V rails (yellow to red wire) what voltage will you read?