1. A device that provides emergency power to your computer controls the voltage, and protects against power surges is called a ...........

1. 1. PSU = Power Supply Unit

   
   
   

   2. USP = Universal Power Surge Protector

   
   
   

   3. UPPS = Universal Power Protection and Supply

   
   
   

   4. UPS = Uninterruptible Power Supply

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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2. A UPS..........

1. 1. Limits damage caused by fluctuating levels of electricity

   
   
   

   2. Provides battery backup for a limited time

   
   
   

   3. Delivers electronic messages via a bus

   
   
   

   4. Conducts a power-on self test, or POST

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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3. Which of the following is a part of the system unit ?

1. 1. CPU

   
   
   

   2. Monitor

   
   
   

   3. CD-Rom

   
   
   

   4. Floppy disk

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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4. The........is the box that houses the most important parts of a computer system.

1. 1. Software

   
   
   

   2. Hardware

   
   
   

   3. Input device

   
   
   

   4. System unit

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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5. A.........is a device that not only provides surge protection. but also furnishes your computer with battery backup power during a power outage.

1. 1. Surge strip

   
   
   

   2. USB

   
   
   

   3. UPS

   
   
   

   4. Battery strip

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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