expressions,such as "greater than or equal to".The objective of most instructions that use comparisons is to determine which instruction should be executed next. ()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)】 1.With the development of computer,the physical size of the CPU has often become bigger and bigger.( 2.The movement of electronic signals between main memory and the ALU as well as the control signal between the CPU and input /output devices are controlled by the control unit of the CPU.( 3.The CPU comprises the control unit and memory.( 4.The control unit performs all the arithmetic and logical(comparison)functions. 5.The central processing unit(CPU)is the heart of the computer systems.( 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. In 1991,the first really friendly interface to the Internet was developed at the University of Minnesota.The University wanted to develop a simple menu system to access files and information on campus through their local network. Since the Internet was initially funded by the government,it was originally limited to research,education,and government uses.Commercial uses were prohibited unless they directly served the goals of research and education.This policy continued until the early 1990's,when independent commercial networks began to grow. 1477expressions, such as "greater than or equal to". The objective of most instructions that use comparisons is to determine which instruction should be executed next. {二 ll whether the following statements are true(T) or false(F) according to the pas 静A. {根据上文的内窑判断下列旬子的正误。 1. With the development of computer, the physical size of the CPU has often become bigger and bigger. ( ) 2. The movement of electronic signals between main memory and the ALU as well as the control signal between the CPU and input / output devices are controlled by the control unit of the CPU. ( ) 3. The CPU comprises the control unit and memory. ( ) 4. The control unit performs all the arithmetic and logical(comparison) functions. ( ) 5. The central processing unit(CPU) is the heart of the computer systems. ( ) 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. In 1991 , the first really friendly interface to the Internet was developed at the University of Minnesota. The University wanted to develop a simple menu system to access files and information on campus through their local network. Since the Internet was initially funded by the government, it was originally limited to research , education , and government uses. Commercial uses were prohibited unless they directly served the goals of research and education. This policy continued until the early 1990 when independent commercial networks began to grow. 1477