Which decimal value is represented by the binary 01011010?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which decimal value is represented by the binary 01011010?

Explanation:
Binary numbers express values by powers of two, with each bit indicating whether that power of two is included. For 01011010, label the bits from right to left as 2^0 up to 2^7. The bits that are 1 are at 2^1, 2^3, 2^4, and 2^6, which adds up to 2 + 8 + 16 + 64 = 90. So the decimal value is 90.

Binary numbers express values by powers of two, with each bit indicating whether that power of two is included. For 01011010, label the bits from right to left as 2^0 up to 2^7. The bits that are 1 are at 2^1, 2^3, 2^4, and 2^6, which adds up to 2 + 8 + 16 + 64 = 90. So the decimal value is 90.

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