C Quiz with Certificate: Test Your Skills and Earn Recognition in 2024

Are you searching C Quiz with Certificate and gain recognition for your expertise? C language quiz is the perfect opportunity for you to test your knowledge and earn a certificate that validates your proficiency.

Designed for both beginners and experienced programmers, our quiz covers a wide range of topics, from basic syntax and data structures to advanced concepts like pointers and memory management.

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C Skill Quiz Exam

1 / 20

1. Which of the following is a valid way to declare an integer array in C?

Option (a) int numbers[5];

Option (b) int numbers(5);

Option (c) numbers int[5];

Option (d) array numbers[5];

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2. Which of the following functions is used to dynamically allocate memory in C?

Option (a) malloc()

Option (b) calloc()

Option (c) realloc()

Option (d) All of the above

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3. What is the output of the following code snippet?
C
printf("%d", 2 + 3 * 4);

Option (a) 20

Option (b) 14

Option (c) 10

Option (d) 8

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4. What is the difference between exit() and _exit() functions in C?

Option (a) exit() performs cleanup operations, such as flushing buffers and closing open files, before terminating the program, while _exit() terminates the program immediately.

Option (b) exit() returns an exit status to the operating system, while _exit() does not.

Option (c) exit() is used for normal program termination, while _exit() is typically used for terminating child processes.

Option (d) All of the above.

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5 / 20

5. What is the purpose of the scanf function in C?

Option (a) Print output to the console

Option (b) Read input from the user

Option (c) Perform mathematical calculations

Option (d) Declare a variable

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6 / 20

6. What is the role of the typedef keyword in C?

Option (a) To define a new data type

Option (b) To create an alias for an existing data type

Option (c) To declare a function

Option (d) To allocate memory dynamically

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7 / 20

7. What is the output of the following code?

int i = 0;
while (i < 5) { printf("%d ", i); i++; }

Option (a) 0 1 2 3 4

Option (b) 1 2 3 4 5

Option (c) 0 1 2 3 4 5

Option (d) 5 4 3 2 1

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8 / 20

8. Which looping construct allows a block of code to execute at least once before checking a condition?

Option (a) for loop

Option (b) while loop

Option (c) do-while loop

Option (d) switch statement

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9. Which standard library function in C is used to compare two strings?

Option (a) strcmp()

Option (b) strcompare()

Option (c) stringcmp()

Option (d) str_compare()

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10. What is a self-referential structure in C, and how is it used?

Option (a) A structure that contains a pointer to another structure of the same type, often used to create linked lists or trees.

Option (b) A structure that contains a member variable of the same type as itself, leading to infinite recursion.

Option (c) A structure that is defined inside another structure, creating nested structures.

Option (d) A structure that has no members.

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11. Which data type is used to store single characters in C?

Option (a) int

Option (b) char

Option (c) float

Option (d) double

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12. What is the result of the expression 5 % 2 in C?

Option (a) 2.5

Option (b) 2

Option (c) 1

Option (d) 0

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13. How can you pass a multidimensional array to a function in C?

Option (a) By passing the array name and its dimensions as separate arguments.

Option (b) By passing the array name only.

Option (c) By passing a pointer to the array.

Option (d) Both a) and c) are correct.

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14. What are some common pitfalls and best practices to avoid in C programming?

Option (a) Avoid buffer overflows by ensuring that you never write beyond the bounds of an array or buffer.

Option (b) Be mindful of memory leaks by freeing dynamically allocated memory when it is no longer needed.

Option (c) Use const qualifiers to prevent accidental modification of variables and improve code safety.

Option (d) All of the above.

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15 / 20

15. What are function pointers in C, and how are they used?

Option (a) Function pointers are variables that store the memory address of a function.

Option (b) They can be used to pass functions as arguments to other functions.

Option (c) They can be used to create callback mechanisms.

Option (d) All of the above.

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16. What are inline functions in C, and what are their advantages?

Option (a) Inline functions are functions whose code is inserted directly into the calling code, rather than being called through a function call mechanism.

Option (b) They can improve performance by eliminating the overhead of function calls.

Option (c) However, excessive use of inline functions can increase the size of the executable.

Option (d) All of the above.

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17. What is the purpose of the setjmp() and longjmp() functions in C?

Option (a) They are used for implementing non-local jumps, allowing you to return from a function other than the one that was directly called.

Option (b) They can be used to implement exception handling mechanisms in C.

Option (c) setjmp() saves the current execution environment, and longjmp() restores it later.

Option (d) All of the above.

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18. What is the purpose of the static keyword when applied to a local variable within a function?

Option (a) The variable is initialized only once and retains its value between function calls.

Option (b) The variable becomes accessible from outside the function.

Option (c) The variable is automatically deallocated when the function exits.

Option (d) The variable is stored on the heap instead of the stack.

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19. What is the purpose of the atexit() function in C?

Option (a) It registers a function to be called at normal program termination (when exit() is called).

Option (b) It registers a function to be called when a specific event occurs.

Option (c) It is used to handle exceptions.

Option (d) It is used to allocate memory.

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20. Explain the concept of a file pointer in C programming.

Option (a) A file pointer is a variable that stores the current position within a file.

Option (b) A file pointer is used to open, read, write, and close files.

Option (c) A file pointer is a structure that contains information about a file.

Option (d) All of the above.

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About C Language

C is an imperative, procedural language in the ALGOL tradition. It has a static type system. In C, all executable code is contained within subroutines (also called “functions”, though not in the sense of functional programming). Function parameters are passed by value, although arrays are passed as pointers, i.e. the address of the first item in the array. Pass-by-reference is simulated in C by explicitly passing pointers to the thing being referenced. Source from : https://en.wikipedia.org/wiki/C_(programming_language)

This (C Quiz with Certificate) is interactive and engaging, featuring multiple-choice questions, code snippets, and problem-solving exercises that challenge your understanding of C programming. Each question is carefully crafted to test different aspects of your knowledge, ensuring a comprehensive assessment of your skills. Whether you are preparing for a job interview, a coding competition, or simply looking to improve your programming abilities, our quiz provides an excellent platform for practice and learning.

Upon completing the quiz, you will receive a e-certificate that you can add to your resume or share on professional networks like LinkedIn. This certificate not only serves as proof of your C programming expertise but also demonstrates your commitment to continuous learning and professional development. Stand out from the crowd and showcase your skills with a certification that is recognized by employers and peers alike.

Start your journey towards mastering C programming today. Take our quiz, challenge yourself, and earn a certificate that highlights your technical prowess. Whether you’re a student, a professional, or a programming enthusiast, our C programming quiz with certificate is a valuable tool for achieving your goals and advancing your career.

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