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
Showing 10 of
198 questions
161. C preprocessor
- takes care of conditional compilation
- takes care of macros
- takes care of include files
- acts before compilation
162. A preprocessor command
- need not start on a new line
- need not start on the first column
- has # as the first character
- comes before the first executable statement
163. Choose the correct statement.
- The scope of macro definition need not be the entire program.
- the scope of a macro definition extends from the point of definition to the end of the file.
- New line is macro definition delimiter.
- A macro definition may go beyond a line.
164. The use of macro in the place of functions
- reduces execution time
- reduces code size
- increases execution time
- increase code size
165. The process of transforming one bit pattern into another by bit-wise operations is called
- masking
- pruning
- biting
- chopping
166. The operation of a staircase switch best explains the
- or operation
- and operation
- exclusive nor operation
- exclusive or operation
167. a << 1 is equivalent to
- multiplying a by 2
- dividing a by 2
- adding 2 to a
- none of the above
168. The most significant bit will be lost in which of the following operations ?
- >>
- complementation
- >>
- none of the above
169. Assume an unsigned integer occupies 1 byte. Let myVar be an unsigned integer. then myVar << 1 multiplies myVar by 2 if it is not greater than
- 127
- 255
- 256
- 128
170. If the bit pattern corresponding to a signed integer is shifted to the right then
- vacant bit will be filled by the sign bit
- vacant bit will be filled by 0
- the outcome is implementation dependent
- none of the above