A Level Computer Science -Chapter 4 Logic Gates & Logic Circuits

What is the purpose of a truth table?

• To display the outputs of a logical expression for all possible input values.

• To create a timeline of historical events

• To organize data in a spreadsheet

• To calculate the average of a set of numbers

What are the building blocks of logic circuits?

• Wood and nails

• Concrete and steel

• Bricks and mortar

• Logic gates

Which subtopic deals with the basic principles of logic?

• Advanced Calculus

• Introduction to Psychology

• Introduction to Logic

• Organic Chemistry

What are the fundamental operations in Boolean algebra?

• Up, Down, Left

• AND, OR, and NOT

• Add, Subtract, Multiply

• True, False, Maybe

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

• 1

• 0

• 2

• 1

What is the output of an OR gate if one input is 0 and the other is 1?

• 2

• 1

• 3

• 0

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

• 3

• 1

• 2

• 0

Which logic gate produces an output that is the complement of the input?

• NOT gate

• NAND gate

• OR gate

• AND gate

What is the symbol for an XOR gate?

• Square with a multiplication sign inside

• Diamond with a division sign inside

• Circle with a plus sign inside

• Triangle with a minus sign inside

What is the symbol for a NAND gate?

• B

• A

• D

• C