Boolean Logic and Logic Gates

Who introduced Boolean logic?

• George Boole

• Claude Shannon

• Charles Babbage

What does a Boolean expression evaluate to?

• A numerical value

• True or False

• A text message

Which of the following is an example of a Boolean statement?

• What is your favourite film?

• How old are you?

• The sky is blue

Which logic gate has only one input and output?

• NOT

• AND

• OR

What is the output of AND gate when both inputs are 1?

• 0

• 1

• 2

How many possible input combinations exist for an AND gate with two inputs?

• 4

• 2

• 1

What type of gate does this device use?

A car alarm that sounds when the door is open and the alarm is switched on

• AND gate

• OR gate

• NOT gate

What type of gate does this device use?

A smart smoke alarm that goes off if smoke or heat is detected

• AND gate

• OR gate

• NOT gate

What type of gate does this device use?

A seatbelt alarm that sounds when the seatbelt is not fastened.

• AND gate

• OR gate

• NOT gate

Do you understand the topic of Boolean expressions and logic gates.

• I fully understand

• I don't really understand

• I understand some of it