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Engineering
1 July, 04:26
What is the range of a 32-bit signed integer?
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Malachi Middleton
1 July, 04:49
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From - 2147483647 to 2147483648.
Explanation:
A 32 bit integer has 2^32 = 4294967296 possible values. A signed integer has positive and negative values as well as the zero.
Of these values (2^32) / 2 will be positive, (2^32) / 2 - 1 will be negative and one will be the zero.
Therefore the range is from - (2^32) / 2 + 1 to (2^32) / 2.
This can also be expressed as from - 2147483647 to 2147483648.
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