TECHNIQUES IN DIAGNOSING AND TOOLS FOR TESTING COMPUTER SYSTEMS

Its a factor causing Computer Failures and Defects where untrained personnel could have damaged programs in PC.

(a)  

Its a factor causing Computer Failures and Defects where Corrupted operating systems would cause the system to fail.

(a)  

Its a factor causing Computer Failures and Defects where components would lead to computer malfunction.

(a)  

The following are the rules in diagnosing computer system except

• Know the facts

• Focus on Field irreplaceable Units

• Proper assembly and disassembly

Its a factor causing Computer Failures and Defects where components would lead to computer malfunction.

(a)  

It's a detective work in which you need to determine what is out of the ordinary by making detailed observation of what is not working normally and record any information as you proceed.

• Problem Isolation

• Component Isolation

• Hardware Isolation

It aid in determining components in your system which are failing.

• Problem Isolation

• Component Isolation

• Hardware Isolation

Which among the following is the correct diagnostic procedure for ATX power supply failure?

• Determine whether or not the power comes off.

• Check the switch operation with a Digital Volt Meter on the continuity or resistance setting.

• Check the pins if the corresponding voltage are properly irregulated to the motherboard.

• Don't replace the power supply unit if defective.

If problem may arise, which among the following tips will help you? Mark all that applies.

• Always check the cables

• isolate the problem

• Take notes about error messages: If your computer gives you error messages,

• Remember the steps you've taken so you don't need to write it down

What is the first thing to do when a program is running slowly or isn't working right?

• shutdown the computer

• close the program

• update the software