1) Computers are used in hospitals for security, data entry, monitoring patients, performing surgeries, communication, record keeping, diagnosis, and more.
2) In offices, computers are used for customer management, data storage, accounting, organizing data, document production, record keeping, communication, and marketing.
3) In education, computers allow for convenient teaching methods, access to information, hands-on learning, learning management systems, and administration tasks. They also enabled continued education during the COVID-19 pandemic.