Given below are four jumbled sentences. Out of the given options/pick the one that gives their correct order. |
A. There are many gadgets that are operated by a remote control and contain a silicon chip. |
B. This produces an infra-red beam, made up of electromagnetic waves. |
C. When a button is pressed on the remote control, the chip sets off an electronic vibration. |
D. The beam carries a coded signal for operating the systems. |
A) ADCB
B) ACBD
C) BACD
D) ACDB
Correct Answer: B
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