Humans, processors, and language levels
Humans, processors, and language levels

Programs are usually written as source code, which is the program text written by the programmer before translation. Processors do not read that directly; they only execute machine code, which is binary instructions.
Step-by-step lessons on AQA GCSE Computer Science Classification of programming languages and translators. 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.