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Why hexadecimal exists

Why hexadecimal exists

Lookup table linking denary 0 to 15, hex digits 0 to F, and 4-bit binary nibbles, with an example converting 1011 0110 to B6 Hexadecimal, or hex, is a base 16 number system, so it uses sixteen symbols: 0 to 9 and A to F. In Computer Science, it is useful because one hex digit matches one 4-bit binary nibble exactly.

Hexadecimal notation and conversion Lesson

  1. GCSE
  2. /Computer Science
  3. /Hexadecimal notation and conversion

Step-by-step lessons on Edexcel GCSE Computer Science Hexadecimal notation and conversion. Each one builds up to exam-style questions. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.

Lessons