Grade 11 Physics Quiz

Which gate is called an inverter?

• AND

• OR

• NOR

• NOT

What is the name of the gate shown in the diagram?

• AND

• OR

• NAND

• NOR

Complete the truth table for the combination of gates shown in figure below:

For which position of the switch will the LED light? Explain your answer.

What is the name given to the component labelled E, and what is its function in the circuit?

If the current through the LED is not to exceed 20 mA, calculate the minimum value required for E.

Complete the truth table for the combined gates shown in the diagram.

Which combination(s) produce(s) a logic 1 output in Y3?

Suggest a possible practical use of this type of circuit.

Identify the logic gates described in the first column of the table below and hence complete the table by writing in the names and logic symbols in the appropriate columns.