Question

 A control device is – 

1)it control the computer.

2)It control the printout.

3)It is another type of output devices.

4)All of the above

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Answer 1

The correct answer is option (4) All of the above.

Explanation:

• A control device is- it control the computer, It control the printout and It is another type of output devices.
• Control device means any equipment, including, but not limited to, incinerators, carbon adsorbers, and condensers, that reduces the quantity of a pollutant that is emitted to the air.
• The device may destroy or secure the pollutant for subsequent recovery.