Binary Logic Gates

Which of these diagrams is correct for an OR gate?

• 
• 
• 

Which of the following gates only takes one input?

• AND

• OR

• NOT

Which gate will output a 1 if any of the inputs are 1?

• AND

• OR

• NOT

Which gate "reverses" any numbers that pass through it?

• AND

• OR

• NOT

Complete this truth table for an AND gate.

• 0000

• 0001

• 0111

• 1111

Complete this truth table for an OR gate.

• 0000

• 0001

• 0111

• 1111

If A was 1 and B was 0 in this circuit, what would Q be?

• 0

• 1

Which of the following scenarios is the only one where R would be 0 in this circuit?

• If all of the switches were on

• If all of the switches were off

• If half of the switches were on

• If only one of the switches were on

In this circuit, if A and B were both 0, what would R be?

• 0

• 1

We generally use A, B, C, D for inputs, but start from P for the first gate. This is because P stands for...

• Process

• Program

• Possibility

• Procedure