question_answer

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