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S1: The coming of the computer sparked the need for remotely operated controls.
P: It is silicon chip that is at the heart of the remote control.
Q: This produces an infra-red beam, which is made up of electromagnetic waves.
R: When you press the button on the remote control, the chip sets off an electronic vibration.
S: The beam carries a coded signal such as switch on, raise volume, etc.
S6: The code is based on binary digits.

The Proper sequence should be:

A. PQRS

B. PQSR

C. PRQS

D. RPQS

Answer: Option C

Solution (By Examveda Team)

It is silicon chip that is at the heart of the remote control. When you press the button on the remote control, the chip sets off an electronic vibration. This produces an infra-red beam, which is made up of electromagnetic waves. The beam carries a coded signal such as switch on, raise volume, etc.

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