Explore topic-wise MCQs in C Programming.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

In a program the statement,

A. Before compilation
B. During execution
C. After Compilation
D. None of the above
Answer» B. During execution
Discussion
2.

A macro must always be written in capital letters.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» C. May be True or False
Discussion
3.

What is the output generated by the following code?

A. 81
B. 4
C. 29
D. None of the above.
Answer» D. None of the above.
Discussion
4.

The EOF character can be included in a file as part of its data.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» C. May be True or False
Discussion
5.

Identify the trigraph sequence for '^'.

A. ??/
B. ??=
C. ??’
D. ??!
Answer» D. ??!
Discussion
6.

What is a preprocessor directive

A. a message from compiler to the programmer
B. a message from programmer to the microprocessor
C. a message from programmer to the preprocessor
D. a message from compiler to the linker
Answer» D. a message from compiler to the linker
Discussion
7.

Undefined function calls in a C program.

A. by the preprocessor
B. by the linker
C. by the assembler
D. by the operating system are detected
Answer» D. by the operating system are detected
Discussion
8.

Identify the trigraph sequence for '\'.

A. ??/
B. ??=
C. ??
D. ??!
Answer» B. ??=
Discussion
9.

Which of the following are correctly formed #define statements?

A. #define INCH PER FEET 12
B. #define SQR(X) (X *X);
C. #define SQR(X) X*X
D. #define SQR(X) (X*X)
Answer» E.
Discussion
10.

The NULL character indicates an end of a string and a file.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» C. May be True or False
Discussion
11.

All macro substitutions in a program are done

A. Before compilation of the program.
B. During execution
C. After compilation
D. None of the above
Answer» B. During execution
Discussion
12.

argv[] is a?

A. a pointer array
B. It points to each argument passed to the program.
C. both a and b
D. None of the above
Answer» D. None of the above
Discussion
13.

argc refers to the?

A. number of arguments passed
B. a pointer array
C. both a and b
D. None of the above
Answer» B. a pointer array
Discussion
14.

va_list is

A. a macro defined in stdarg.h
B. a predefined data type in stdarg.h
C. a macro defined in stdlib.h
D. a predefined data type stdlib.h.
Answer» C. a macro defined in stdlib.h
Discussion
15.

After preprocessing when the program is sent for compilation the macros are removed from the expanded source code.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» B. False
Discussion
16.

A macro should always be accommodated in a single line.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» B. False
Discussion
17.

Identify the macro(s) defined in stdarg.h.

A. va_start
B. va_end
C. va_arg
D. all the above
Answer» E.
Discussion
18.

Nested macros are allowed.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» C. May be True or False
Discussion
19.

The command line arguments are handled using?

A. void()
B. main()
C. header files
D. macros
Answer» C. header files
Discussion
20.

Identify the stringizing operator.

A. +
B. ::
C. #
D. ##
Answer» D. ##
Discussion
21.

Macros with arguments are not allowed.

A. True
B. False
C. May be True or False
D. Can't Say
Answer» C. May be True or False
Discussion
22.

What is the Error of this program?

A. compsciedu
B. Compilation error
C. Runtime error
D. None of the above
Answer» C. Runtime error
Discussion