An 8-bit binary code allows for how many logical combinations?

Prepare for the Associate Certified Electronics Technician (CET) Exam. Study with challenging multiple choice questions, hints, and explanations. Ensure you're ready for exam day!

An 8-bit binary code can represent a total of 256 logical combinations. This is determined by the formula (2^n), where (n) is the number of bits. In this case, with (n) equal to 8, the calculation is (2^8). Evaluating that expression gives:

[ 2^8 = 256 ]

This means that with 8 bits, every bit can either be a 0 or a 1. Each additional bit doubles the number of possible combinations, leading up to 256 distinct states or values that can be represented. Thus, an 8-bit binary code provides the ability to encode values ranging from 0 to 255, summing to a total of 256 unique combinations.

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