Lecture S2K1 30/7

Which logic gates produce an output of 1 ONLY if all its inputs are 1?

• XOR

• OR

• AND

• NOR

Which logic gate produces an output of 1 if AT LEAST one of its inputs is 1?

• AND

• NAND

• OR

• XNOR

A NOT gate has only one input and one output.

• FALSE

• TRUE

Which logic gate represent the NOT gate?

• 
• 
• 
• 

An OR gate will output 0 ONLY if all its inputs are 0.

• TRUE

• FALSE

What is the output X?

Answer explanation

The OR gate ONLY outputs false (0) when ALL inputs are false (0), otherwise it outputs true (1).

The Boolean expression for an _______ gate with inputs A and B is A + B

The output of a _______ gate is the inverse of the input.

The symbol for an OR gate is a ________ shape.

• Square

• Curved

• Rectangle

Answer explanation

What is the output X?

Answer explanation

The AND gate ONLY outputs true (1) when ALL inputs are true (1), otherwise it outputs false (0).