Top 20 C Viva Questions with Answers (Easy Guide)

💻 Top 20 C Viva Questions with Answers (Easy Guide)

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Welcome back!

Preparing for practical exams or viva? These top 20 C viva questions with answers will help you revise quickly and score better 📘

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🌟 Why These Questions?

- Frequently asked in viva
- Simple explanations
- Perfect for students

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🔟 Basic Questions

1. What is C?

C is a procedural programming language used for system programming.

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2. What is a variable?

A variable stores data values.

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3. What are data types?

int, float, char, double

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4. What is printf()?

Used to display output.

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5. What is scanf()?

Used to take input.

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6. What is an operator?

Symbol used to perform operations.

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7. What is a loop?

Used to repeat tasks.

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8. Types of loops?

for, while, do-while

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9. What is an array?

Collection of elements.

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10. What is a function?

Reusable block of code.

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🔟 Important Viva Questions

11. What is a pointer?

Stores address of another variable.

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12. What is NULL?

Represents no value.

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13. What is recursion?

Function calling itself.

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14. What is structure?

User-defined data type.

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15. What is file handling?

Reading/writing files.

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16. Difference between while and do-while?

while → checks condition first
do-while → runs at least once

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17. What is header file?

Contains declarations.

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18. What is main()?

Starting point of program.

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19. What is break statement?

Stops loop.

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20. What is continue?

Skips iteration.

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⭐ Tips for Viva

- Revise daily
- Speak confidently
- Understand concepts

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📌 Conclusion

These were top 20 C viva questions.
Prepare them well to score high in exams 🚀

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📢 Also Read

- C Programs
- Python Interview Questions
- C++ Notes

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