Why is the decimal system referred to as base-10?

• Because computers were originally designed to use it

• Because it's the easiest system for calculations

• Because it was invented by the Romans

• Because it uses 10 different symbols

What are the two symbols used in the binary system?

• A and B

• 0 and 1

• Yes and No

• On and Off

What does a '1' in binary typically represent?

• Null

• On

• Zero

• Off

How is the number 25 represented in binary?

• 11100

• 10011

• 10110

• 11001

At the most basic level, what is all computer data stored as?

• Alphabetical characters

• Quantum bits

• Binary code

• Hexadecimal numbers