One of the first and largest applications of computers is keeping and managing business and financial records. Most large companies keep the employment records of all their workers in large databases that are managed by computer programs. Similar programs and databases are used in such business functions as billing customers; tracking payments received and payments to be made; and tracking supplies needed and items produced, stored, shipped, and sold. In fact, practically all the information companies need to do business involves the use of computers and information technology.
Основной идеей текста является …
It is important to use computer programs in business.
It is important to use computers in managing business.
It is important to use large databases in business.
It is important to use computers and information technology in business.