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Bits, bytes, and number systems

Bits, bytes, and number systems

8-bit place value chart showing 128 to 1, two nibbles, and 10110101 converting to hexadecimal B5

Computers store all data as binary, so every file is ultimately a pattern of 000s and 111s. One binary digit is a bit, and 888 bits make 111 byte.

Data storage Lesson

  1. GCSE
  2. /Computer Science
  3. /Data storage

Step-by-step lessons covering OCR GCSE Computer Science Data storage for GCSE Computer Science. Each lesson works through exam-style questions in Component 01 and Component 02 format. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.

Lessons