In most places of business, Computer is standard. For example, in the banks Computers are used for banking transactions and to look up customer’s account information. In some auto repair shop Computers are used to assess electronic and other faults in cars.
In schools Computers are used for student’s registration and admission, accounting, exams and records. School libraries are database of books. No more use of library cards. In some Hospitals and Clinics patient information are stored in Computers. Doctors must know how to retrieve such information to treat a patient. To send or receive electronic mails you need to learn how to use the Computer and the Internet or you pay someone to do it for you.