Creative Tech 8 3rd Perio Reviewer

What is the primary function of the CPU?

• Store data permanently

• Execute instructions from memory

• Control power supply

• Generate graphics

Which component within the CPU is responsible for logical decision-making?

• Memory Unit

• Control Unit

• Arithmetic Logic Unit (ALU)

• Input Device

What is the fundamental principle used in logic gates?

• Quantum Mechanics

• Newton's Laws

• Boolean Logic

• Ohm's Law

What are the two possible values in Boolean logic?

• 0 and 2

• True and False

• A and B

• 1 and 3

What is the Boolean expression for an AND gate?

• Q = A + B

• Q = A.B

• Q = A XOR B

• Q = NOT A

How many inputs must be true for an AND gate to output true?

• At least one

• Both

• None

• Only one

What is the Boolean expression for an OR gate?

• Q = A.B

• Q = A + B

• Q = A ⊕ B

• Q = NOT A

How many inputs must be true for an OR gate to output true?

• Both

• None

• At least one

• Only one

What does a NOT gate do?

• Outputs true if any input is true

• Inverts the input

• Requires two inputs

• Adds two inputs

What is the Boolean expression for a NOT gate?

• Q = A.B

• Q = A + B

• Q = NOT A

• Q = A ⊕ B