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:

S1: The coming of the computer sparked the need for remotely operated

1.	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.	QRS
B.	QSR
C.	RQS
D.	PQS
Answer» D. PQS

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