OCR J277 2.4 Boolean Logic MCQ (Quiz 1)

What is the output of an OR gate if the inputs are 1 and 0?

• 0

• 1

• OFF

• 2

What is the output of an AND gate if the inputs are 1 and 0?

• 0

• 1

• ON

• 2

What is the output of a NOT gate if the input is 0?

• 0

• 1

• OFF

• 2

A NOT gate has...

• Two inputs and one output

• One input and one output

• One input and two outputs

• Two inputs and two outputs

An OR gate has...

• Two inputs and one output

• One input and one output

• One input and two outputs

• Two inputs and two outputs

The output of any logic gate can have either of two

• Gates

• States

• Inputs

• Outputs

A logic state can only be....

• On or 1

• Off or 1

• 1 or 0

• In and Out

The output of a gate is only 1 when both inputs are 1

• OR

• NOT

• NAND

• AND

A NAND gate is the combination of which two gates

• OR and AND

• AND and NOT

• NOT and OR

• OR and NAND

Which of these is a definition of a transistor

• Microscopic devices that open and close circuits to communicate electrical signals.

• A device used to change a circuit

• A type of gate used in a CPU

• Circuit components which take several inputs