CBSE (Central Board of Secondary Education) is a national board of education in India that conducts exams for the 10th and 12th grades. Here are some of the advantages and disadvantages of the CBSE board:

Advantages:

1. National Curriculum: CBSE follows a national curriculum, which means that students across the country study the same topics and subjects, making it easier for students who move from one part of the country to another.
2. Standardized exams: CBSE conducts standardized exams for all schools, which ensures that all students are evaluated on the same basis, regardless of the school they attend.
3. Easy access to study material: CBSE provides easy access to study material, including textbooks, question papers, and sample papers, which makes it easier for students to prepare for their exams.
4. Focus on application-based learning: CBSE places a strong emphasis on application-based learning, which helps students to develop critical thinking and problem-solving skills.
5. Wide recognition: CBSE is widely recognized by colleges and universities, both in India and abroad, which makes it easier for students to pursue higher education. 

Disadvantages:

1. Limited regional focus: CBSE follows a national curriculum, which may not cater to the specific needs and interests of students in certain regions.
2. Heavy workload: CBSE places a heavy workload on students, which can lead to stress and burnout.
3. Rote learning: Some critics argue that CBSE places too much emphasis on rote learning, which may not encourage creative thinking and may hinder long-term retention of information.
4. Limited focus on vocational training: CBSE may not provide sufficient vocational training, which can be a disadvantage for students who wish to pursue careers in technical fields.
5. Tough grading: CBSE exams are known to be quite tough, which can make it difficult for students to score high marks and secure admission to top colleges and universities. 

Overall, the CBSE board has its advantages and disadvantages, and the choice of board depends on individual preferences and needs.

History of CBSC Board

1. History: The CBSE board was established in 1962 with the aim of providing a standardized education system across the country. 
2. Affiliation: CBSE affiliates schools across India and also in other countries. Schools seeking affiliation must meet certain requirements and follow the guidelines set by the board. 
3. Syllabus: The CBSE board syllabus is designed to provide a holistic education, including languages, social sciences, mathematics, science, and physical education. 
4. Evaluation: CBSE conducts exams for classes 10 and 12, and the results are based on both internal assessments conducted by schools and external exams conducted by the board. 
5. Recognition: The CBSE board is recognized by various organizations, including the Ministry of Human Resource Development, the Government of India, and the National Council of Educational Research and Training. 
6. Curriculum updates: The CBSE board regularly updates its curriculum and guidelines to keep up with the changing needs of students and the education sector. 
7. Scholarship programs: The CBSE board also offers various scholarship programs to meritorious students, which helps to encourage and reward academic excellence. 

In conclusion, the CBSE board is a well-established and widely recognized education board in India. It provides a national curriculum, standardized exams, and easy access to study material, among other advantages, while also having some drawbacks. The choice of board ultimately depends on individual preferences and needs.

Examination Pattern for the CBSE board

1. Examination Pattern: The CBSE board follows a two-semester system. Students are evaluated on the basis of periodic tests, unit tests, and term exams conducted by their schools. The board conducts a final exam for each semester.
2. Grading system: The board follows a nine-point grading system, which is based on the student\'s performance in both internal and external assessments. The grades range from A1 to E.
3. Curriculum for students with special needs: The CBSE board has a separate curriculum for students with special needs, which is designed to cater to their specific needs and abilities.
4. National eligibility cum entrance test (NEET): CBSE conducts NEET, a national-level entrance exam for admission to undergraduate medical and dental courses in government and private medical colleges in India.
5. JEE Main: CBSE also conducts the Joint Entrance Examination (JEE) Main, a national-level engineering entrance exam for admission to undergraduate engineering courses in government and private engineering colleges in India.
6. Vocational courses: CBSE offers vocational courses in various fields, including engineering, health and medical care, hospitality and tourism, and information technology.
7. Teacher training: CBSE conducts various teacher training programs and workshops to ensure that teachers are up to date with the latest teaching methodologies and techniques. 

Overall, the CBSE board provides a comprehensive education system, including a variety of subjects, exams, and training programs, to ensure that students receive a holistic education.