Truth tables

Front

What is a truth table?

Back

A truth table is a mathematical table used to determine the truth values of logical expressions based on their inputs.

Front

What does 'T' represent in a truth table?

Back

'T' represents 'True' in a truth table.

Front

What does 'F' represent in a truth table?

Back

'F' represents 'False' in a truth table.

Front

How many possible combinations of truth values are there for two variables?

Back

There are 4 possible combinations: TT, TF, FT, FF.

Front

What is the purpose of a truth table?

Back

The purpose of a truth table is to systematically explore the outcomes of logical operations.

Front

What is the logical AND operation?

Back

The logical AND operation results in 'True' only if both operands are 'True'.

Front

What is the logical OR operation?

Back

The logical OR operation results in 'True' if at least one operand is 'True'.

Front

What is the logical NOT operation?

Back

The logical NOT operation inverts the truth value: it turns 'True' to 'False' and vice versa.

Front

How do you represent the logical AND operation in a truth table?

Back

In a truth table, the AND operation is represented by a multiplication symbol (·) or simply by listing the inputs.

Front

How do you represent the logical OR operation in a truth table?

Back

In a truth table, the OR operation is represented by a plus symbol (+) or simply by listing the inputs.