1) When converting a 32-bit unsigned integer to a 64-bit unsigned integer, which
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Question
1) When converting a 32-bit unsigned integer to a 64-bit unsigned integer, which operation will preserve the correct value?
a)The correct value cannot always be preserved b)Sign extension c)Zero extension d)Truncation
2)When converting a 32-bit signed two's-complement integer to a 64-bit signed two's-complement integer, which operation will preserve the correct value?
a)The correct value cannot always be preserved b)Sign extension c)Zero extension d)Truncation
3)When converting a 32-bit unsigned integer to a 32-bit signed two's-complement integer, which operation will preserve the correct value?
a)The correct value cannot always be preserved b)Sign extension c)Zero extension d)Truncation
4)When converting a 64-bit unsigned integer to a 32-bit unsigned integer, which operation will preserve the correct value?
a)The correct value cannot always be preserved b)Sign extension c)Zero extension d)Truncation
Explanation / Answer
1) c) Zero extension
2) b) Sign extension
3) d) Truncation
4) a) The correct value cannot always be preserved
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