The evaluation process of multiple-choice questions (MCQs) in GATE CSE:

Multiple-choice questions (MCQs) are an integral part of the Graduate Aptitude Test in Engineering (GATE) for the Computer Science Engineering (CSE) category. These questions are designed to evaluate the knowledge, understanding, and problem-solving abilities of candidates in various topics related to computer science. The evaluation process of MCQs in GATE CSE involves the following steps:

1. Question Setting:
- The first step involves the creation of MCQs by subject matter experts (SMEs) who possess in-depth knowledge in the respective fields.
- These experts carefully design the questions, ensuring that they are relevant, clear, and assess the fundamental concepts of computer science.

2. Multiple Options:
- Each MCQ consists of a stem (the question itself) and several options (usually four).
- The options are designed to include one correct answer and three distractors, which are incorrect answers.
- The distractors are carefully crafted to resemble plausible answers, often incorporating common misconceptions to challenge the candidates' understanding.

3. Answer Key Preparation:
- After the questions are set, the answer key is prepared by the SMEs.
- The answer key includes the correct answer for each MCQ, which is known only to the evaluators.

4. Online Exam Conduct:
- GATE CSE is conducted as an online computer-based exam.
- Candidates are provided with a computer interface to select their answers among the multiple options for each MCQ.

5. Scoring and Evaluation:
- Once the exam is completed, the evaluation process begins.
- The computer-based system automatically scores the MCQs based on the answers selected by the candidates.
- Each correct answer is awarded a certain number of marks, while incorrect answers may result in negative marking.

6. Normalization:
- In GATE CSE, normalization is applied to account for any variation in difficulty levels across different exam sessions.
- This ensures fairness in the evaluation process by accounting for differences in question papers.

7. Final Result Calculation:
- The final result is calculated based on the marks obtained by the candidates in all the MCQs and other sections of the GATE CSE exam.
- The marks obtained in MCQs contribute to the overall score of the candidates, along with other sections like the numerical answer type (NAT) questions.

In conclusion, the evaluation of multiple-choice questions in GATE CSE involves the careful setting of questions, preparation of the answer key, online exam conduct, scoring, normalization, and the calculation of the final result. The process aims to assess the knowledge and problem-solving abilities of candidates in computer science-related topics effectively.