S1 Electronics Homework 4                                               Name ………………………………. 

This homework is due in on ………………………..

 Q1)      With the circuit set up as below, under what conditions of the inputs will the buzzer be off?

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Q2)      With the circuit set up as shown below, under what conditions of the inputs will the lamp be off?

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Q3)      Complete the truth table below for this circuit:

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Q4)      Explain what a relay switch is.

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Q5)      Give an example of how a relay switch might be used in an electronic household appliance

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Q6)      Write the following decimal numbers as binary numbers. The first has been done for you.

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Q7)      Now write the following binary numbers as decimals.

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Q8)      What is the difference between analogue and digital equipment?

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Q9)      Give one example of a piece of household equipment which is digital?

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Q10)    Give one example of a piece of household equipment which is analogue?

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Marks out of 10 …………