Test Your C Language Knowledge with These MCQ Questions

C language is a popular and widely used programming language known for its simplicity and efficiency. Whether you are a beginner learning C or an experienced programmer looking to brush up on your skills, it’s always beneficial to test your knowledge. In this article, we have compiled a set of multiple-choice questions (MCQs) that cover various aspects of the C language. Let’s dive in and see how well you know C!

Section 1: Basics of the C Language

  1. What does the “C” in C language stand for? a. Central b. Common c. Complex d. Computer
  2. Which of the following is not a feature of the C language? a. Pointers b. Object-Oriented Programming c. Functions d. Control Structures
  3. The C language is a _____ level programming language. a. High b. Low c. Middle d. None of the above
  4. Which header file is needed to use the printf and scanf functions? a. stdio.h b. stdlib.h c. math.h d. conio.h

Section 2: Data Types and Variables

  1. Which of the following is not a valid data type in C? a. int b. float c. string d. char
  2. What is the size of the int data type in bytes? a. 2 b. 4 c. 8 d. It varies depending on the system
  3. What is the range of values that can be stored in a char data type? a. 0 to 255 b. -127 to 127 c. -128 to 127 d. -32768 to 32767
  4. What is the keyword used to declare a constant in C? a. final b. const c. static d. constant

Section 3: Operators and Expressions

  1. Which operator is used to access the value stored in a variable? a. = b. + c. * d. &
  2. What will be the result of the following expression: 10 % 3? a. 1 b. 2 c. 3 d. 0
  3. What is the operator precedence in C? a. Left to right b. Right to left c. Depends on the operator d. Equal precedence for all operators
  4. Which operator is used for pointer variable declaration? a. * b. & c. # d. @

Section 4: Control Structures

  1. Which statement is used to exit from a loop in C? a. break b. continue c. return d. exit
  2. What is the purpose of the switch statement in C? a. To declare variables b. To compare two values c. To iterate over a block of code d. To select one of many code blocks to be executed
  3. Which loop is executed at least once, even if the condition is false? a. for loop b. while loop c. do-while loop d. if statement
  4. What is the default value of the switch case expression in C? a. 0 b. 1 c. false d. no default value

Section 5: Arrays and Pointers

  1. How do you declare a one-dimensional array in C? a. int array[]; b. int[] array; c. int array[]; d. int[] array[];
  2. What is the size of the following array: int array[10]? a. 1 byte b. 10 bytes c. 40 bytes d. It depends on the data type of the array elements
  3. Which operator is used to access the elements of an array? a. . b. : c. & d. []
  4. What does the * symbol indicate when used with a variable in C? a. Multiplication b. Pointer declaration c. Address-of operator d. Dereference operator

These MCQ questions are designed to test your understanding of the C language. Take your time to read each question carefully and select the correct option. Once you have answered all the questions, you can compare your answers with the provided answers at the end of this article to evaluate your knowledge.

Remember, practicing and testing your knowledge is essential for mastering any programming language, including C. Good luck!

Answers: Section 1:

  1. b. Common
  2. b. Object-Oriented Programming
  3. b. Low
  4. a. stdio.h

Section 2:

  1. c. string
  2. d. It varies depending on the system
  3. c. -128 to 127
  4. b. const

Section 3:

  1. c. *
  2. a. 1
  3. c. Depends on the operator
  4. a. *

Section 4:

  1. a. break
  2. d. To select one of many code blocks to be executed
  3. c. do-while loop
  4. a. 0

Section 5:

  1. d. int[] array[];
  2. It depends on the data type of the array elements
  3. d. []
  4. b. Pointer declaration

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