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How light signals are sent through optical fibres?
asked Oct 26, 2017 in Physics
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1 answer 103 views
What is radio tuning circuit? Describe its working.
asked Oct 26, 2017 in Physics
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1 answer 427 views
How do electrical signal are transmitted through wires?
asked Oct 26, 2017 in Physics
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1 answer 118 views
What are the essential parts of any communication system? Explain their functions.
asked Oct 26, 2017 in Physics
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1 answer 80 views
What do you mean by flow of information?
asked Oct 26, 2017 in Physics
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1 answer 45 views
What are the means of telecommunication?
asked Oct 26, 2017 in Physics
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1 answer 172 views
What is difference between data and information?
asked Oct 26, 2017 in Physics
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1 answer 76 views
What do you understand by information and communication technology?
asked Oct 26, 2017 in Physics
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1 answer 62 views
What is AND gate? Give its symbol and truth table.
asked Oct 25, 2017 in Physics
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1 answer 67 views
What is a NOT operation? Write down its truth table.
asked Oct 25, 2017 in Physics
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1 answer 38 views
What is an OR operation? Write down its truth table.
asked Oct 25, 2017 in Physics
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1 answer 65 views
What is an AND operation? Write down its truth table.
asked Oct 25, 2017 in Physics
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1 answer 76 views
What do you mean by binary variables?
asked Oct 25, 2017 in Physics
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1 answer 1.6k views
Write down some benefits of using digital electronics over analogue electronics.
asked Oct 25, 2017 in Physics
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1 answer 142 views
What is a digital signal? Explain.
asked Oct 25, 2017 in Physics
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1 answer 268 views
What is an analogue signal? Explain.
asked Oct 25, 2017 in Physics
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1 answer 115 views
State and explain for each case whether the information given by the following .
asked Oct 25, 2017 in Physics
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1 answer 139 views
Define the terms analogue to digital converter and digital to analogue converter.
asked Oct 25, 2017 in Physics
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