C Programming Questions and Answers – C-Preprocessor – 2

This set of C Multiple Choice Questions & Answers (MCQs) focuses on “C-Preprocessor – 2”.

Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.

1. Which of the following are C preprocessors?
a) #ifdef
b) #define
c) #endif
d) all of the mentioned
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2. #include statement must be written __________
a) Before main()
b) Before any scanf/printf
c) After main()
d) It can be written anywhere
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3. #pragma exit is primarily used for?
a) Checking memory leaks after exiting the program
b) Informing Operating System that program has terminated
c) Running a function at exiting the program
d) No such preprocessor exist
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4. What will be the output of the following C code?

a) 1, 1
b) 1, 2
c) 2, 1
d) 2, 2
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5. The C-preprocessors are specified with _________symbol.
a) #
b) $
c) ” ”
d) &
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6. What is #include directive?
a) Tells the preprocessor to grab the text of a file and place it directly into the current file
b) Statements are not typically placed at the top of a program
c) All of the mentioned
d) None of the mentioned
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7. The preprocessor provides the ability for _______________
a) The inclusion of header files
b) The inclusion of macro expansions
c) Conditional compilation and line control
d) All of the mentioned
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8. If #include is used with file name in angular brackets.
a) The file is searched for in the standard compiler include paths
b) The search path is expanded to include the current source directory
c) The search path will expand
d) None of the mentioned
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