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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?
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What is ceil phone? Describe its working.
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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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What is radio tuning circuit? Describe its working.
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How do electrical signal are transmitted through wires?
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What do you mean by flow of information?
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What are the means of telecommunication?
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What is difference between data and information?
asked Oct 26, 2017 in Physics by shamroz (41.5k points)
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What is meant by information technology and telecommunication?
asked Oct 26, 2017 in Physics by sonia (36.5k points)
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Show that the circuit given as below acts as AND gate.
asked Oct 26, 2017 in Physics by sonia (36.5k points)
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Show that the circuit given as below acts as OR gate.
asked Oct 26, 2017 in Physics by sonia (36.5k points)
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NAND gate is the reciprocal of AND gate. Discuss.
asked Oct 26, 2017 in Physics by sonia (36.5k points)
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How can you compare the logic operation X = A B with usual operation of multiplication.
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In what ways is an oscilloscope a voltmeter?
asked Oct 26, 2017 in Physics by sonia (36.5k points)
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