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What values does uninitialized automatic variables contain?

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What values does uninitialized automatic variables contain?

(a) Null value

(b) Void value

(c) Undefined/Garbage

(d) Zero value

I have been asked this question in homework.

Query is from Automatic Variable in section Memory Allocation & Scope of Variable of Object Oriented Programming

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Best answer
The correct option is (c) Undefined/Garbage

The best I can explain: The automatic variable which are not initialized, contain garbage value. If we just declare a variable and try to print its value, the result is some unknown value. The value is garbage as that was not expected value.

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