Home » General Knowledge » What is semaphore? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.

What is semaphore? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.

What is semaphore?

Semaphore is a signalling system which uses pairs of flags. Different flag positions represent different letters and numbers. In the days before ships communicated via radio, it was used between shins sailing in close proximity to each other.

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