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Source code, machine code, and why translation matters

Source code, machine code, and why translation matters

Flow diagram showing high-level source code going through a compiler to executable machine code or through an interpreter instruction by instruction to the CPU A programming language lets humans write instructions as source code. The CPU cannot directly run most source code because it only executes machine code, which is binary instructions made of 000s and 111s.

Languages Lesson

  1. GCSE
  2. /Computer Science
  3. /Languages

Step-by-step lessons on OCR GCSE Computer Science Languages. 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