Crash Course Computer Science Quiz

What does the binary system use to represent information?

• Two states: on and off

• Various colors

• Different shapes

• Numbers from 0 to 9

What does the term 'abstraction' refer to in computer science?

• Simplifying complex systems into manageable parts

• Removing physical components from a computer

• Creating art with computers

• Writing abstracts for scientific papers

Why do computers use binary?

• It's easier to build mechanical parts

• Binary numbers are more accurate

• It minimizes signal issues

• It's a tradition in computer science

Who is credited with the creation of Boolean Algebra?

• George Boole

• Charles Babbage

• Albert Einstein

• Isaac Newton

What was George Boole's contribution to logic?

• Inventing the first computer

• Developing a system for logical operations

• Creating the internet

• Discovering electricity

What is the main advantage of using Boolean Algebra in computing?

• It enhances graphical interfaces

• It provides a framework for logical operations

• It allows for the representation of complex data

• It simplifies arithmetic calculations

How can transistors be used in computing?

• As mechanical switches

• To store large amounts of data

• To perform logical operations

• To increase the speed of calculations

What does a NOT operation do to a boolean value?

• Changes it to the opposite value

• Adds it to another value

• Multiplies it

• Leaves it unchanged

What is the purpose of a NOT gate in computing?

• To divide the signal strength

• To duplicate the input signal

• To negate the input signal

• To combine multiple signals

For an AND operation to output true, what must be true about its inputs?

• Both inputs are false

• At least one input is false

• At least one input is true

• Both inputs are true