Binary numeral system

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The binary numeral system is a way to write numbers using only two digits: 0 and 1. These are used in computers as a series of "off" and "on" switches. Here is a list of some numbers that can be made from these digits (zero is represented by a single "0"):

  1. 1
  2. 10
  3. 11
  4. 100
  5. 101
  6. 110
  7. 111
  8. 1000
  9. 1001
  10. 1010
  11. 1011
  12. 1100
  13. 1110
  14. 1111
  15. 10000
  16. 10001
  17. 10010
  18. 10011
  19. 10100
  20. 10101
  21. 10110
  22. 10111
  23. 11000
  24. 11001
  25. 11010
  26. 11011
  27. 11100
  28. 11101
  29. 11110
  30. 11111
  31. 100000
  32. 100001
  33. 100010
  34. 100011
  35. 100100
  36. 100101
  37. 100110
  38. 100111
  39. 101000
  40. 101001
  41. 101010
  42. 101011
  43. 101100

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