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.
Related posts:
What makes water evaporate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
GK Question "How Is The Circulation Of Our Blood Carried On?" general knowledge book English 2021 cu...
General Knowledge
Were dinosaurs' eggs also big? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
How is humidity measured? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 1...
General Knowledge
What does a pH value measure? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
GK Question "Tell Me About Milky Way" general knowledge book English 2021 current affairs quiz and a...
General Knowledge
What is aestivation? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
GK Question "People Have Been Last Names, For How Long?" general knowledge book English 2021 current...
General Knowledge
GK Question "How The Coins Got Their Names?" general knowledge book English 2021 current affairs qui...
General Knowledge
What is an autopsy? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
GK Question "What Is The Food Of Ants?" general knowledge book English 2021 current affairs quiz and...
General Knowledge
GK Question "Why Do We Have The Feeling Of Tiredness?" general knowledge book English 2021 current a...
General Knowledge
Why do cats and dogs have fleas? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
GK Question "How An Automobile Runs With Gasoline?" general knowledge book English 2021 current affa...
General Knowledge
Do you know “Maharashtra's valley of flowers”.
Do you know
What are albino animals?Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
How do zips work? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
Why do flies rub their legs together? Complete General Knowledge Question and Answer for Class 6, 7,...
General Knowledge
Do you know “SBI's first woman chairperson”.
Do you know
What is cryptography? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
