Computer Science for IGCSE & O level - Data Representation (Section 4 - No. 24) | ExamPlay

Computer Science for IGCSE & O level - Data Representation (Section 4 - No. 24)

What is the decimal equivalent of the hexadecimal number 2A?

32

42

40

50

解释

2A (hexadecimal) = (2 * 16^1) + (10 * 16^0) = 32 + 10 = 42

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