Basic C Programming MCQ Questions and Answers
Basic C Programming MCQ questions with answers help candidates master the fundamentals of C language — one of the most popular programming languages for beginners and interview aspirants. These programming questions and answers focus on syntax, operators, loops, functions, and data handling. Practicing C programming MCQs strengthens logic and helps students perform better in technical assessments by TCS, Infosys, HCL, and other top recruiters. Each question is designed to test conceptual understanding and problem-solving skills, making it ideal for both practice and revision before coding interviews or placement exams.
Basic C Programming MCQ
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198 questions
91. Which of the following statements are correct ?
- It is possible for a function to access a variable that is local to another function
- Two local variables may have the same name
- The scope of a local variable should be a function
- The scope of a local variable may be a single statement.
92. The default parameter passing mechanism is
- call by value
- call by reference
- call by value result
- none of the above
93. Choose the correct statements.
- During external variable definition, storage is set aside by the compiler
- During external variable declaration, no storage is set aside by the compiler
- The use of external variables may make debugging difficult
- None of the above
94. The storage class static can be used to
- restrict the scope of an external identifier
- preserve the exit value of variables
- provide privacy to a set of functions
- none of the above
95. The following program main() {printf ("tim"); main ();}
- is illegal
- keeps on printing tim
- prints tim once
- none of the above
96. Consider the following program main() { putchar ('M'); first (); putchar ('m');} first () { _______ } second() { putchar ('d');} If madam is the required output, then the body of first () must be
- empty
- second(); putchar ('a');
- putchar ('a'); second (); printf ("%c", 'a')'
- none of the above
97. Use of functions
- helps to avoid drepeating a set of statements many times
- enhances the logical clarity of the program
- helps to avoid repeated programming across programs
- makes the debugging task easier
98. Which of the following comments about wide character is/are true ?
- It is the binary representation of a character in the extended binary set.
- It is of intege type wchar_t
- End of file is represented by WEOF.
- None of the above
99. Pick the correct statements.
- The body of a function should have only one returnf statement.
- The body of a function may have many return statements.
- A function can return only one value to the calling environment
- If return statement is omitted, then the function does itsd job but returns no value to the calling environment.
100. max is a function that returns the larger of the two integers, given as arguments. Which of the following statements finds the largest of three given numbers ?
- max (max (a, b), max (a, c))
- max (a, max (a, c))
- max (max (a, b ), max (b, c))
- max (b, max (a, c))