An active optics system on a space telescope uses an 11-bit control register to adjust the precision alignment of each actuator. Determine the total number of unique positioning states that can be represented by this control register.
117 exam-style questions on Edexcel GCSE Computer Science Binary, covering Binary representation and number of states, Unsigned and two's complement integers, Converting denary and 8-bit binary, Binary addition and binary shifts, Concept of overflow, and Hexadecimal notation and conversion. Each one has a worked solution and a mark scheme showing where the marks go.