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    Self Test

    The following questions will help you measure your understanding of the material presented in this chapter. Read all of the choices carefully because there might be more than one correct answer. Choose all correct answers for each question.

    Workplace Safety and Safe Equipment Handling

    1.Which statement is a true general comparison of the effects of EMI versus ESD?

    1. ESD can damage hardware; EMI harms data.

    2. EMI can harm hardware; ESD harms data.

    3. ESD and EMI are identical.

    4. EMI can cause injury or death; ESD is less harmful to people.

    2.I plan to replace the power supply in a computer. What is the most important safety measure I should take?

    1. Wear an antistatic wristband.

    2. Do not ground yourself.

    3. Bend your knees when you lift it.

    4. Buy a name-brand power supply.

    3.My CRT display is only a few years old and was quite expensive. It is now malfunctioning, and none of the external buttons on the monitor help, nor can I fix it using the Properties settings in Windows. What should I do?

    1. Open the CRT case and look for a loose connection.

    2. Take it to a qualified repair center.

    3. Immediately discard it.

    4. Recycle it.

    4.What can I use to protect my PC from power sags?

    1. Surge protector

    2. Power supply

    3. UPS

    4. APS

    5.What should you do before moving any computer equipment?

    1. Power down and disconnect the power cord.

    2. Select Standby.

    3. Select Hibernate.

    4. Remove the power supply.

    6.What is the ideal environment for ESD to occur?

    1. Hot and humid

    2. Cold and humid

    3. Hot and dry

    4. Cold and dry

    7.You are getting ready to install a new component, a memory stick that came in its own antistatic bag. What is the correct way to handle this component and the bag?

    1. Remove the component from the bag and place it on top of the bag until ready to install.

    2. Remove the component from the bag and immediately discard the bag.

    3. Leave the component in the bag until you are ready to install it.

    4. Remove the component from the bag and turn the bag inside out before placing the component on the bag.

    8.My computer display is jittery; should I replace the display?

    1. Yes, this is a fatal defect.

    2. No, look for a source of EMI and increase the distance between that source and the display.

    3. Yes, and buy a display that resists ESD.

    4. No, look for a source of ESD and move it away from the display.


      

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