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CTI-130 TestOut PC Pro 2.1.6 Practice Questions
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CTI-130 TestOut PC Pro 2.1.6 Practice Questions
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CTI-130 TestOut PC Pro 2.1.6 Practice Questions- Metal area on the computer case
- Anti-static mat - ANS-To prevent ESD when replacing internal computer components, you
attach an anti-static wrist strap to your wrist. Where should the other end be fastened? (Select
two.)
-Ground wire on the power supply
-Anti-static mat
-Screw on the wall power outlet
-Ground wire on the wall power outlet
-Metal area on the computer case
- Use short bursts of compressed air to clean delicate components.
- Use a special vacuum to clean dust from all hardware components. - ANS-Jeannette's
workstation is overheating. She decides to open the workstation and clean any accumulated
dust to see if it helps with the overheating issue.
Which of the following can Jeannette safely do to remove dust? (Select two.)
-Use a lint-free cloth and cleaning solvent to remove all dust accumulation.
-Use a special vacuum to clean dust from all hardware components.
-Use a continuous stream of compressed air to clean all components.
-Use short bursts of compressed air to clean delicate components.
-Remove the power supply to do detailed cleaning.
10 volts - ANS-While it takes 3,000 volts or more of ESD before you can feel it, it takes very little
ESD to damage a computer component.
What is the minimum ESD volt discharge that can actually damage a component?
-100 volts
-10 volts
-500 volts
-50 volts
CRT monitor - ANS-Which of the following devices can store large amounts of electricity, even
when unplugged?
-DVD optical drive
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