Q
What does #include do in C++?
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A
The compiler imports a precompiled module at execution
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B
The linker attaches the iostream library at run time
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C
The loader loads iostream into memory when the program starts
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D
The preprocessor textually inserts the header's contents before compilation
Correct Answer:
D. The preprocessor textually inserts the header's contents before compilation
Explanation:
#include is a preprocessor directive that performs textual inclusion. Library code itself is resolved later by the linker.
