tailieunhanh - TIẾNG ANH CHUYÊN NGÀNH HỌC VIỆN CÔNG NGHỆ BƯU CHÍNH VIỄN THÔNG phần 7

Tham khảo tài liệu 'tiếng anh chuyên ngành học viện công nghệ bưu chính viễn thông phần 7', ngoại ngữ, anh văn thương mại phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Unit 7. Computer Communications Prestel s other major initiative to promote home usage this year revolves around another piece of technology - the microcomputer. Millions of micros are now in use in the UK and all require programs before they can function. The broadcasting of computer programs over viewdata and teletext systems - known as telesoftware - is not a new idea but Prestel s Micronet 800 Series is the largest telesoftware facility in the world. Together with East Midlands Allied Press a publisher of computer magazines Prestel provides a library of some 2 000 programs on a wide range of subjects - from the obligatory games to complex educational and business programs. Most microcomputers can be connected to Micronet 800 using a simple modem and associated software. Having selected the program required the pages are simply called up on Prestel and the screenfuls of software then activate the microcomputer. As well as supplying more lighthearted programs Micronet 800 provides plenty of scope for educational purposes. Schools can link in with other schools and educational users around the country to swap ideas techniques and even programs they have written themselves. Business users are equally well catered for with special closed areas of Micronet that can be used for private business communication. In short Prestel s move towards the residential market marks another revolutionary stage in the service. What was originally perceived as a world of information at your fingertips has become a series of very specialized information services allied to a growing series of interactive facilities. Prestel meant the supply of fast updated information for travel agency users but with the introduction of Skytrack Prestel s airline reservation service there is a move towards interaction. Linking up the Prestel customer through a series of computer systems to US-based airline computers may seem technically advanced - and it is. But for the end-customer the interactive .