Linux is the free Unix.It has all of the features you would expect of a modern,fully fledged Unix:true multitasking,virtual memory,shared libraries,demand loading,shared, proper memory management and TCP/IP networking. Mac OS (Machintosh Operating System)supports multitasking and networking and has a highly praised graphical user interface.Multimedia capabilities of this operating system allow Macintosh users to integrate video clip,stereo sound,and animaied sequences with conventional text and graphics software. ()Tell whether the following statements are true(T)or false(F)according to the passage A.（根据上文的内容判断下列句子的正误。15分，每题3分) 36.Personal computer software is dependent on specific operating systems and machines. ) 37.DOS can only work with 32-bit microprocessor. () 38.Windows is the 32-bit operating system with networking capability and Internet access. () 39.Unix is an interactive,multi-user,multitasking operating system. () 40.The Linux operating system is free.It is the modified version of Unix running on PCs. () Passage B The Internet,then known as ARPANET,was brought online in 1969,which initially connected four major computers at universities in the southwestern US.The early Internet was used by computer experts engineers,scientists,and librarians.There was nothing friendly about it.There were no home or office personal computers in those days,and anyone who used it,whether a computer professional or an engineer or scientist or librarian, had to learn to use a very complex system. The Internet matured in the 1970's as a result of the TCP/IP architecture.As the commands for E-mail,FTP,and telnet were standardized,it became a lot easier for non-technical people to learn to use the nets.It was not easy by today's standards by any means,but it did open up use of the Internet to many more people in universities in particular.Other departments besides the libraries,computer,physics,and engineering departments found ways to make good use of the nets -to communicate with colleagues around the world and to share files and resources. 1421Linux is the free Unix. It has all of the features you would expect of a modern , fully fledged Unix: true multitasking , virtual memory , shared libraries, demand loading , shared , proper memory management and TCPlIP networking. Mac OS (Machintosh Operating System) supports multitasking and networking and has a highly praised graphical user interface. Multimedia capabilities of this operating system allow Macintosh users to integrate video clip , stereo sound , and animaL巳d sequences with conventional text and graphics software. {二 ll whether the following statements are true(T) or false(F) according to the passage A. (根据上立的内窑判断下列旬子的正误。 每题 36. Personal computer software is dependent on specific operating systems and machines. ( ) 37. DOS can only work with 32- bit microprocessor. ( ) 38. Windows is the 32 - bit operating system with networking capability and Internet access. ( ) 39. Unix is an interactive , multi- user, multitasking operating system. () 40. The Linux operating system is free. It is the modified version of Unix running on PCs. ( ) Passage B The Internet , then known as ARPANET, was brought online in 1969 , which initially connected four major computers at universities in the southwestern US. The early Internet was used by computer experts , engineers, scientists, and librarians. There was nothing friendly about it. There were no home or office personal computers in those days, and anyone who used it , whether a computer professional or an engineer or scientist or librarian , had to learn to use a very complex system. The Internet matured in the 197 O's as a result of the TCPlIP architecture. As the commands for E-mail , FTP , and telnet were standardized , it became a lot easier for non>technicalpeople to learn to use the nets. It was not easy by today' s standards by any means, but it did open up use of the Internet to many more people in universities in particular. Other departments besides the libraries, computer, physics, and engineering departments found ways to make good use of the nets - to communicate with colleagues around the world and to share files and resources. 1421