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AP Computer Science Unit 1 – Test Review Practice Questions

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In Java, a variable of type int is represented internally as a 32-bit signed integer. Suppose that one bit stores the sign, and the other 31 bits store the magnitude of the number in base 2. In this scheme, what is the largest value that can be stored as type int ?
Correct Answer:
231 − 1
Explanation:
Correct answer: 231 − 1

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