An environmental sensor uses a 9-bit register to store telemetry status codes. Determine the number of unique status codes that can be represented by this register.
Practise OCR GCSE Computer Science Units with exam-style questions for GCSE Computer Science. 29 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.