homework -1 (28.218.81608.81609.81613.222.84998.84999.85222.85223)
1.What is Operating System? An operating system is a software controlling the operation of a computer system and its resources. 2.Write sevral your familiar operating systems in details. 2.1 DOS Operating System DOS is the abbreviation of English Disk Operation System. Chinese is the disk operating system. It has been upgraded to version 6.22 since the 1.0 version was released in 1981. The interface of DOS operates by character command mode and can only run a single task. 2.2 Windows 9x Windows 9x is a multi-task operating system with window graphical interface, which makes up for the deficiencies of DOS. Since then, compared with Windows 9x, Windows ME (2000) and Windows XP (2001) have increased and enhanced the functions of network interconnection, digital media, entertainment components, hardware plug and play, system restoration and so on. 2.3 Windows 98 It's a popular version. Since it's developed from DOS, after installing and running large-scale software, the system will become unstable and often crash. 2.4 Windows XP In fact, the technology of Windows NT has been developed. Because Windows NT was originally designed for servers, its stability is much better than that of Windows 98 series operating systems.
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