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. This test is helpful for PPSC, NTS, FPSC, Forces Recruitment Test Interviews and All Entry Tests. Read the questions carefully and select the correct option below to check your knowledge.

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.
Test Helpful For: ECAT Entry Test
Computer Online Test
Interview Questions about Computer
All Universities Entrance Test
Recruitments Tests

Computer Input/Output Practice Test Online With Explanation

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

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

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

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

5. Which function displays a string followed by a newline character?

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

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

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

9. How many arguments can printf() accept?

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

11. What does fflush(stdin); do?

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

13. What is the return type of fopen()?

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

15. What does ferror() check?

16. Which I/O function is used for file input/output?

17. Which of the following can be used to print hexadecimal values?

18. What is the return value of scanf() when it successfully reads one input?

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

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

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

22. Which function is used to read a string from the user?

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

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

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


 

Study Plan for Computer Input Output Test Online

Computer Input Output Test Online plays a crucial role in the merit calculation for government jobs. Whether you are appearing for PPSC, FPSC, or NTS, this online test covers the most relevant questions from the updated syllabus.

How to Use GoTest for Preparation:

  • Focus on Keywords: In General Knowledge papers, examiners often twist the question. Read the statement twice before marking your answer on our system.
  • Negative Marking Simulation: Remember that real exams like PPSC deduct 0.25 marks for wrong answers. While practicing here, try to skip questions you are completely unsure about to build good habits.
  • Instant Feedback: Our system provides immediate results. Use the “View Answers” feature after the test to memorize the facts you got wrong.
  • Current Affairs Update: General Knowledge changes rapidly. Ensure you are attempting our latest 2025 quizzes to stay updated with recent developments.
  • Consistent Practice: Attempting 50 MCQs daily on GoTest significantly improves your retention power compared to reading passive books.

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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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