ECAT Computer Input Output Test Online

ECAT Computer Science Input/OutputTest

ECAT Computer Science Chapter 20 Input Output Online Test

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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ECAT Input/Output Test Online MCQs

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1. Which function is used to close an open file?

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

3. What does scanf("%d", &x); do?

4. Which function is used to write a character to a file?

5. Which mode opens a file for both reading and writing, starting at the beginning?

6. Which format specifier is used for character output?

7. Which function resets the file pointer to the beginning of the file?

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

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

10. Which function prints a single character to the screen?

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

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

13. What does fflush(stdin); do?

14. Which function pauses the program until a key is pressed?

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

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

17. What will the function getchar() do?

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

19. Which format specifier is used to print unsigned integers?

20. Which function would you use to input values into multiple variables?

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

22. Which function is used to write a block of data to a binary file?

23. Which function is safer to use instead of gets()?

24. Which of the following functions allows formatted input from a file?

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


 

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