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Subject :NCO    Class : Class 4

Which of the following is a short distance wireless media, used to control televisions, VCRs, stereos with remote controls?

ABluetooth
BSatellite
CInfrared
DWi-Fi


Ans 1:

Class : Class 5
Please explain more nicely

Ans 2: (Master Answer)

Class : Class 1
The correct answer is C. Infrared is the short wireless media which is used to control televisions, VCRs etc.

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