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What is internet? Internet is a useful source of knowledge and information. Discuss.
asked Oct 27, 2017 in Physics by sonia (36.5k points)
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What is meant by graphic designing?
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What is meant by data management? Describe its use.
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What do you understand by the terms word processing'? Describe is use
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When a CD is called a hard disk and a floppy?
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What is the difference between a floppy disk and a hard disk?
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Name different information storage devices and describe their use.
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What are storage devices? On what principle do they work?
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Differentiate between primary memory and secondary memory
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What is meant by a programme?•
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What is Central Processing Unit(CPU)?
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What do you mean by hardware and software?
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What is a computer? What is the rote of computer in our everyday life?
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Why cable T.V is preferred over normal T.V. transmission?
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What is main difference between telephone and cellular phone?
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What is photophone?
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What is ceil phone? Describe its working.
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What is fax machine? Describe its working.
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What are radiowaves?
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How light signals are sent through optical fibres?
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