Tham khảo tài liệu 'tiếng anh chuyên ngành công nghệ thông tin part 7', công nghệ thông tin, tin học văn phòng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Lesson 7 Computers tomorrow V. Speaking In small groups study and discuss the illustration below. Then prepare a description and give an oral report to the class. This diagram represents a wide area network or WAN. Two networks are linked via satellite. One network is in . And consists of The other LAN is in . and contains. In Los Angeles the computers are connected to the telephone lines by . However in Barcelona. The satellite receives signals the signals are retransmitted to. The purpose of this integrated network may be . It allows large companies and institutions to. dish aerial Barcelona Los Angeles client central computer client central computer telephone lines modem satellite relay modem 156 Lesson 7 Computers tomorrow VI. Writing The diagram below illustrates the computer connections in three areas of a large company. Read the description of the descriptions of the other two In the office area the computers are connected in a Token Ring network. Various PCs have access to a file server an IBM mainframe an email server and a printer. The file server probably contains application programs like databases spreadsheets and accounting packages. The mainframe contains large amounts of information about the company administration work. etc. office area network. Then write similar areas. Engineering area TCP IP network connecting UNIX Macs and PCs UNIX workstation Desktop publishing area External world 157 Vocabulary surf v virtual reality n sensate v teleconferencing n wireless smart phone n lướt hiện thực ảo cảm nhận hội thảo từ xa điện thoại thông minh không dây I. New products a .
