According to the information displayed on CSDN blog network, computer marking can improve fairness and accuracy from the following aspects:

1, objective question: computer marking can achieve 100% accuracy, and there will be no misjudgment.

2. Subjective questions: Computer marking can avoid human factors and improve accuracy. A group of teachers only look at one question to reduce misjudgment.

3. Separation of test paper and answer sheet: Computer marking can separate test paper from answer sheet to prevent students from cheating.

4. Save time and manpower: Computer marking can save time and manpower and improve work efficiency.