4.3 Logic

Question 1

What are Logic Statements?

Answer 1

Logic Statements can be evaluated as either true or false.

Question 2

What is a Truth Table?

Answer 2

A Truth Table is a method of representing every possible output based off on the inputs to a Boolean Expression.

Question 3

What are the Logical Operators?

Answer 3

1. AND
2. NOT
3. OR
4. NAND
5. NOR

Question 4

What is a NOT gate?

Answer 4

Not Reverses an Input. Ā = B

1 → 0

0 → 1

Question 5

What is an OR gate?

Answer 5

An or gate returns true if either conditions are true, aka if a 1 is present. A V B = C / A + B = Q

• 1 & 1 → 1
• 1 & 0 → 1
• 0 & 0 → 0

Question 6

What is an AND gate?

Answer 6

AND gates are the opposite of OR gates, it returns true if both values are true.

• 1 & 0 → 0
• 0 & 0 → 0
• 1 & 1 → 1