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Amar Kumar 8 years, 1 month ago

A computer network or data network is a digital telecommunications network which allows nodes to share resources. In computer networks, networked computing devices exchange data with each other using a data link. The connections between nodes are established using either cable media or wireless media.Example of a network is internet.

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Amar Kumar 8 years, 1 month ago

Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why sky is blue.

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Tarun Kumar 8 years, 1 month ago

Mr wrong!

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