Tag: How to Questions
How do cellular phones work? In a cellular network system, the area covered is divided into cells. Each cell has its own transmitter & receiver (transceiver) and is connected …
How did the Dead Sea get its name? The Dead sea on the Israel-Jordan border is the saltiest sea with a salt content of 240 gm per litre of …
How do search engines work on the Net? A web search engine is an interactive tool to help people locate information via World Wide Web (WWW). They are actually …
How are computer software protected by copy right laws? Copyright is a legal protection for the software making companies against illegal copies of their software. Most software is protected …
How does the skin regulate the temperature of the body? The skin regulates the body temperature by controlling the loss of heat from the body. Whenever the body gets …
How has telemetry helped people suffering from heart problems? Telemetry is a technique in which an apparatus records the readings of an instrument and transmits them by radio. It …
How is cigarette smoking injurious to health? Tobacco is smoked in the form of cigarettes. It is a habit forming substance as it effects the nerves. Tobacco smoking causes …
How are the clouds formed? When water on the surface of earth evaporates it forms water vapour. Warm air containing water vapour rises up in the atmosphere and cools …
