Online-Exam-System

Online exam system built with HTML, CSS and JavaScript Here's a comprehensive list of the features:

1. Welcome Page:

   • Exam selection (Physics, Chemistry, Java)
   • "Proceed to Exam" button

2. Exam Types:

   • Separate question sets for Physics, Chemistry, and Java
   • Dynamic loading of questions based on selected exam type

3. Question Presentation:

   • Randomized question order
   • Multiple-choice questions with radio button options
   • Question numbering

4. Navigation:

   • Previous and Next buttons to move between questions
   • Pagination system showing all question numbers
   • Ability to jump to any question by clicking on its number in the pagination

5. Timer:

   • 20-minute countdown timer
   • Timer display in minutes:seconds format
   • Automatic exam submission when time runs out

6. Time Alerts:

   • 10-minute remaining alert
   • 3-minute remaining alert
   • 1-minute remaining alert

7. Answer Tracking:

   • Saving of selected answers
   • Visual indication of attempted (blue) and unattempted (white) questions in pagination

8. Exam Submission:

   • Manual submission button
   • Confirmation prompt before submission
   • Automatic submission when time runs out

9. Scoring:

   • Calculation of total score
   • Display of score and percentage upon exam completion
   • Display a congratulation message

10. Review Mode:

    • Option to review answers after exam submission
    • Correct answers highlighted in green
    • Incorrect answers highlighted in red and struck through
    • Pagination updated to show correct (green) and incorrect (pink) answers

11. User Interface:

    • Clean and responsive design
    • Centered layout with maximum width for better readability

12. Exam Restart:

    • Option to start a new exam after completion

13. Data Management:

    • Questions stored in JavaScript arrays
    • Separate arrays for different subjects

14. Error Prevention:

    • Disabled navigation buttons when at first or last question
    • Confirmation prompt before submitting the exam

15. Calculator:

    • A simple calculator is also added for simple calcualtions

These features create a comprehensive online exam system that allows for multiple subjects, timed exams, question navigation, answer tracking, scoring, and review functionality. The system is designed to be user-friendly and provide immediate feedback to the exam taker.