Bits, place value, and 8-bit numbers
Bits, place value, and 8-bit numbers
Binary uses only two digits, 0 and 1, and each digit is a bit. GCSE questions usually use 8-bit numbers, so the largest ordinary positive value is 255.
Step-by-step lessons on AQA GCSE Computer Science Binary arithmetic. 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.