Boolean Logic — Practice Questions

Question 1

An AND gate outputs TRUE only when:

Accepted Answer

both inputs are true — AND needs both inputs true.

Question 2

An OR gate outputs TRUE when:

Accepted Answer

at least one input is true — OR is true if at least one input is true.

Question 3

A NOT gate:

Accepted Answer

reverses the input — NOT gives the opposite of the input.

Question 4

Boolean logic works with which two values?

Accepted Answer

True and false — Boolean values are true and false.

Question 5

A table showing every input and output combination is a:

Accepted Answer

truth table — That is a truth table.

Question 6

With inputs TRUE and FALSE, an AND gate outputs:

Accepted Answer

false — AND needs both true, so TRUE AND FALSE = false.