S1 Electronics Homework 2                                       Name ……………..................…………………   

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

Q1)      Put these devices in the correct columns in the table below: 

Slide switch,     Lamp, Relay switch,   NOT gate,    Buzzer,    Temperature sensor,       OR gate,  

Light sensor,      AND gate,      Push switch. 

Q2)      What is logic circuit? ……………………………………………………………………………………………………………………………………………………………………………………………………………………………….

Q3)      What would I have to do to get the lamp to light if I set up a circuit like the one in this diagram:
 

 …………………………………………………………………………………………………………….

Q4)      What is a truth table ? ……………………………………………………………………………………………………………………………………………………………………………………………………………………………….

Q5)      In a truth table when there is a current flowing what will I write to say that it is ON ? ……………

Q6)      Copy and complete this truth table for a NOT gate:

Q7)      What is the Input in a hand held calculator? ………………………………………………………..

Q8)      List FOUR other appliances in the home which are electronic

            ……………………………………………..           …………………………………………………   ……………………………………………………..           …………………………………………………

Q9)      Name an electrical appliance which is not an electronic appliance?            ………………………………………………………………………………………………………

Q10)    Name a device which could be used in a circuit as a visual warning.  ……………………………...

Marks out of 10 …………