Understanding Binary Numbers
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Beginner
Start here! Easy to understand
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Beginner Explanation
Binary is the number system used by computers. It consists only of 0s and 1s.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the binary number $1011$ in decimal?
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2
Real-World Problem
Question Exercise
Intermediate
Computer Memory
A computer memory has 8 bits. If the memory is storing the binary number $11001100$, what is the equivalent decimal number?
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3
Advanced Challenge
Thinking Exercise
Advanced
Think About This
If you add the binary numbers $1011$ and $1101$, what is the result in binary?
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Recap
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