ASCII Code and Binary Conversion

Overview

• ASCII stands for American Standard Code for Information Interchange.
• Focus on converting text to binary using an ASCII table.

Conversion of the Word "blue" to Binary

1. Create a Table:
   | Letter | Decimal Value | Binary Value |
   |--------|---------------|---------------|
   | B | 66 | 1000010 |
   | l | 108 | 1101100 |
   | u | 117 | 1110101 |
   | e | 101 | 1100101 |

Letter Breakdown

• B (Capital):
  • Decimal: 66
  • Binary Conversion:
    • 64 + 2 = 66
    • Binary: 1000010
• l (Lowercase):
  • Decimal: 108
  • Binary Conversion:
    • 64 + 32 + 8 + 4 = 108
    • Binary: 1101100
• u:
  • Decimal: 117
  • Binary Conversion:
    • 64 + 32 + 16 + 4 + 1 = 117
    • Binary: 1110101
• e:
  • Decimal: 101
  • Binary Conversion:
    • 64 + 32 + 4 + 1 = 101
    • Binary: 1100101

Final Binary for "blue"

• B: 1000010
• l: 1101100
• u: 1110101
• e: 1100101

Reverse Conversion: Binary to Word

1. Example Binary Codes:
   • Code 1: 1001100
     • 64 + 8 + 4 = 76
     • Corresponds to: L
   • Code 2: 01100101
     • 64 + 32 + 4 + 1 = 101
     • Corresponds to: e
   • Code 3: 01101101
     • 64 + 32 + 8 + 4 + 1 = 109
     • Corresponds to: m
   • Code 4: 01101111
     • 64 + 32 + 8 + 4 + 2 + 1 = 111
     • Corresponds to: o
   • Code 5: 01101110
     • 64 + 32 + 8 + 4 + 2 = 110
     • Corresponds to: n

Resulting Word

• The binary codes correspond to the word "lemon".

Conclusion

• Understanding ASCII is crucial for converting between text and binary codes.