Examination System

This project is a simple console-based Examination System built with Object-Oriented Programming (OOP) principles in C#. It allows the user to create and take different types of exams (Final or Practical) with support for various question types.

Features

• Question Types:
  • True/False (for Final exams only)
  • Multiple Choice Questions (MCQ)
• Exam Types:
  • Final Exam: includes MCQ and True/False questions, displays student answers and final grade
  • Practical Exam: includes only MCQ questions, displays correct answers after the exam
• OOP Concepts Used:
  • Inheritance and Polymorphism
  • Encapsulation
  • Abstraction

Project Structure

• ExaminationSystem/
  • Models/
    • Question.cs – Base class for all questions
    • MCQQuestion.cs – Inherits from Question, used for MCQ
    • TrueFalseQuestion.cs – Inherits from Question, used for True/False
    • Answer.cs – Represents an answer option
    • Exam.cs – Abstract class for shared exam logic
    • FinalExam.cs – Inherits from Exam, for final exams
    • PracticalExam.cs – Inherits from Exam, for practical exams
    • Subject.cs – Represents a subject with an exam
  • Program.cs – Main entry point to run the application
  • README.md – Project documentation

How It Works

1. Question Class
   Each question has:

   • A Header (title)
   • A Body (description)
   • Mark assigned
   • A list of possible Answers
   • A reference to the Correct Answer

2. Answer Class
   Contains:

   • AnswerId
   • AnswerText

3. Exam Class (Abstract)
   Common properties:

   • Time
   • Number of Questions
   • ShowExam() method (overridden by Final and Practical exams)

4. Subject Class
   Each subject has:

   • SubjectId
   • SubjectName
   • An associated Exam object
   • CreateExam() method to generate the exam

5. Exam Types

   • FinalExam:
     • Supports MCQ and True/False questions
     • Displays student answers and total grade
   • PracticalExam:
     • Supports only MCQ questions
     • Displays correct answers only

Exam_L01[1].pdf