Lesson Worksheet: NOT Gates Physics
In this worksheet, we will practice determining the input and output of NOT gates in logic circuits and completing truth tables for NOT gates.
Q1:
The diagram shows three NOT gates connected as part of a logic circuit. If the input is 1, what is the output?
Q2:
The diagram shows a NOT gate. If the input is 0, what will the output be?
Q3:
Which of the following symbols represents a NOT gate?
- A
- B
- C
- D
Q4:
The diagram shows a NOT gate. If the output is 0, what must the input be?
Q5:
| Input | 0 | 1 |
|---|---|---|
| Output |
The diagram shows three NOT gates connected as part of a logic circuit. The truth table shows the two different possible inputs.
What is the value of in the table?
What is the value of in the table?
Q6:
Four NOT gates are connected together in series. If the input of the first NOT gate is 0, what will the output of the final NOT gate be?
- A0
- B1
Q7:
Three NOT gates are connected together in series. If the input of the first NOT gate is 0, what will the output of the final NOT gate be?
- A0
- B1
Q8:
Four NOT gates are connected in series. How many different combinations of input values are there for these gates?
Q9:
How many outputs does a NOT gate have?
Q10:
A kettle is used to boil water. In the kettle, the heating filament is connected to a thermometer by a NOT gate. This is shown in the diagram below.
The thermometer measures the temperature inside the kettle. The heating filament turns off if the temperature inside the kettle is higher than .
When the temperature inside the kettle is lower than , the input to the NOT gate is 0. What is the output of the NOT gate when the temperature in the kettle is higher than ?
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