Computer Input Output Test Online

Mustansar KhanLast Updated: October 15, 2025

Start your preparation for Computer Input Output Test Online. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Computer Input Output Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Computer Input/Output Practice Test Online With Explanation

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1. Which escape character is used for a horizontal tab?

2. Which function reads a single character and echoes it to the screen?

3. Which function is used to move the file pointer?

4. Which of the following format specifiers is used for reading a float?

5. Which header file is used for standard input and output functions in C?

6. What is the output of printf("%c", 'A' + 1);?

7. Which symbol is used to access the address of a variable?

8. Which function is used to read formatted input from the keyboard?

9. Which of the following is used for binary file input/output?

10. Which of the following correctly reads an integer input?

11. Which function is used to get the current position of the file pointer?

12. Which of the following is a non-formatted input/output function?

13. What does ferror() check?

14. Which function is used to print output to the screen in C?

15. What is the return type of printf()?

16. How many arguments can printf() accept?

17. Which of the following correctly opens a file for writing in C?

18. Which of the following functions detects end-of-file?

19. What is the correct format specifier for printing an integer in C?

20. Which of the following is a formatted output function for files?

21. What is the correct format specifier to print a double?

22. What is the format specifier for reading a string?

23. Which of the following functions writes a string to a file?

24. Which escape sequence is used to print a new line?

25. Which function can be used to flush the output buffer?


 

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Mustansar KhanLast Updated: October 15, 2025

Mustansar Khan

Hey Exam Warriors! I'm Mustansar Khan, your ally in conquering tests. Uncover strategies, real-time experiences, and expert advice to turn your study sessions into victories. Let's gear up for success!
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