S1 Electronics Homework 5                                                  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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…………………………………………………………………………………………………………(1)

 Q2)      Complete the truth table below for this circuit:

 (1)

Q3)      What is a Pulse unit?

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…………………………………………………………………………………………………………(1)

Q4)      How might a pulse unit be used in an electronic appliance?

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          …………………………………………………………………………………………………………(1)

Q5)      Draw a circuit diagram to make a buzzer sound if the temperature is high or if there is smoke in the air.

(1)

Q6)      Draw a circuit diagram for a slide switch to turn a light off when the switch is turned on.

(1)

Q7)      Name three process devices

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(1)

Q8)      Name a warning output device     ……………………………………..                                            (1)

Q9)      Complete the table below

(1)

Q10)    Name two digital household appliances

……………………………………………  and  ………………………………………………         (1)

                                                                                                                                                                                                                                    Marks out of 10 ………