Binary Numbers
Binary numbers are used in computer code. A "bit" is short for binary digit.
Binary numbers are a Base 2 numbers system where there are two options:
- 1 means On or Present
- 0 means Off or Absent
Maths Fun - Computer Bytes
Computer bytes do not use decimal numbers (base-10 numbers). They use binary numbers (base-2 numbers). Because computers use binary numbers, a "kilobyte" is not really a thousand bytes, but is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 or 1,024 bytes. Also, a "megabyte" is not a million bytes, but is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 or 1,048,576 bytes. Write a kilobyte and a megabyte using indices of base 2.
Maths Fun - A Nerdy Joke
There are 10 kinds of people - those who can understand BINARY and those who can't!
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