w6 發問時間: 教育與參考考試 · 1 0 年前

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1 How many values are possible using a single binary digit?

1

2

4

8

9

16

2 What two functions does a UPS provide that a surge protector does not ? (Choose two.)

protects the computer from voltage surges

provides backup power from an internal battery

protects the computer from sudden voltage spikes

gives the user time to phone the electrical company

gives the user time to safely shut down the computer if the power fails

provides backup power through a generator provided by the wall outlet

3 What measurement is commonly associated with computer processing speed?

bits

pixels

hertz

bytes

4 What can be used to prevent electrostatic discharge (ESD)?

dry and non humid conditions

carpeted floor

grounding strap

uncluttered work space

5 Which two steps should be performed when installing a peripheral device? (Choose two.)

Download and install the most current driver.

Connect the peripheral using any cable and any available port on the computer.

Connect the peripheral using an appropriate cable or wireless connection.

Test the peripheral on another machine before installing it on the one where it will be used.

Check the computer documentation to see if the peripheral vendor is compatible with the PC vendor.

6 What is the main storage drive used by servers, desktops, and laptops?

tape drive

hard drive

optical drive (DVD)

floppy disk drive

7 Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?

RAM

CPU

video card

sound card

operating system

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    1 0 年前
    最佳解答

    1 How many values are possible using a single binary digit?

    8

    2 What two functions does a UPS provide that a surge protector does not ? (Choose two.)

    gives the user time to phone the electrical company

    provides backup power through a generator provided by the wall outlet

    3 What measurement is commonly associated with computer processing speed?

    hertz

    4 What can be used to prevent electrostatic discharge (ESD)?

    grounding strap

    5 Which two steps should be performed when installing a peripheral device? (Choose two.)

    Connect the peripheral using an appropriate cable or wireless connection.

    Check the computer documentation to see if the peripheral vendor is compatible with the PC vendor.

    6 What is the main storage drive used by servers, desktops, and laptops?

    hard drive

    7Which computer component is considered the nerve center of the computersystem and is responsible for processing all of the data within themachine?

    CPU

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