Student Mod 12

IT Essential – Module 12 (Preventive Maintenance and Upgrading) 1. What is the primary difference between a standby power supply (SPS) and an uninterruptible power supply (UPS)? 2. Which condition refers to a sudden and dramatic increase in voltage, which is usually caused by lighting? 3. At which electrostatic discharge voltage could a person feel an ESD discharge? 4. Which device is used to redirect signals from the output pins to the input pins of a parallel port? 5. What is the proper way to dispose of outdated CRTs? 6. What should be used to clean a monitor? 7. Which tool is the most appropriate for cleaning the inside of a computer case? 8. Which step is appropriate for cleaning both printers and monitors? 9. If liquid drips into a monitor while cleaning, which method should be used to remove it? 10. Which conditions are most likely to cause Electrostatic Discharge?