What is a Hardware?

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Hardware is the physical part of a computer system that enables us to operate it. It includes keyboard, screen, disk drives and electronic circuits. The first electronic computer which was built in 1945, weighed 30 tonnes and occupied a space of 140 sq metres. It contained more than 18,000 valves. Modern computers are compact and powerful and fit on a desktop.

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THE STOCK MARKET <<< Week-End Article >>>

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S pace-walk is not very true to its meaning. For walking , a person on any planet, needs the gravitational pull that draws him towards the ground. In space, which is devoid of gravity, the astronaut can only float alongside his space craft. The first space walk was made by a Soviet cosmonaut, A . Leonov in 1965 for 24 minutes. For space walking, the astronaut is tied by a safety line.
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Why are Some Animals Brightly Coloured?

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