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Safe Working Procedures and General Maintenance

May 14, 2007

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This chapter is from the book 

ASTURIAS:ATS DESKTOP & PORT SYST_p3, 3rd Edition

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Lesson Review

What does ESD stand for?
1. Electronic surveillance device
2. Electric shock damage
3. Electrostatic discharge
ESD can damage a computer by:
1. Decalibrating the CRT
2. Damaging sensitive chips
3. Starting a fire in the enclosure
Which three of the following should you keep away from an ESD-compliant workbench? (Choose all that apply.)
1. Plastics
2. Magnets
3. Polyester clothing
4. Styrofoam
Which of the following tasks requires that you not wear a grounded wrist strap or heel strap?
1. Discharging a CRT
2. Handling a logic board
3. Opening a computer case
How should you handle integrated circuits to reduce the risk of ESD damage?
1. By the pins
2. By the edge connectors
3. By the body
How should you reduce the risk of ESD damage?
1. Ground yourself.
2. Make sure the equipment is on.
3. Keep the equipment on a metal surface.
Which one of the following is not one of the four basic pieces of equipment needed to reduce the risk of damage from ESD?
1. Grounded mat
2. Wrist strap
3. Plastic storage bags
Which general step(s) do you take to clean a monitor screen safely? (Choose all that apply.)
1. Disconnect the power cord.
2. Turn off the monitor.
3. Use a mild, nonabrasive cleaner.
Which of the following is most likely a symptom of a fragmented hard disk?
1. Download errors
2. Insufficient memory errors
3. Slow disk access
True or false: Always wear a grounding wrist or heel strap when discharging a CRT or performing live adjustments.
True or false: Whenever you work around a live CRT, keep one hand behind your back or in your pocket.
True or false: The CRT carries a charge even when the display or system is turned off, so you must discharge a CRT before you can work safely.

Answer Key

1. c; 2. b; 3. a, c, d; 4. a; 5. c; 6. a; 7. c; 8. a, b, c; 9. c; 10. False; 11. True; 12. True

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