()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.Personal computer software is dependent on specific operating systems and machines. () 2.DOS can only work with 32-bit microprocessor.( 3.Windows is the 32-bit operating system with networking capability and Internet access.(.） 4.Unix is an interactive,multi-user,multitasking operating system.( 5.The Linux operating system is free.It is the modified version of Unix running on PCs.() Passage B A computer system can roughly be divided into three components: The hardware (memory,CPU,arithmetic-logic unit,various bulk storage,I/O, peripheral devices...) System software(operating system,compilers,edito"s,loaders,utilities...) Application software(database systems,business programs...) A computer system can be described or shown in the following Figure. U 拉习红 Dt击5e ui达 Applicapn S巧m 卫034华 Search Pograms Editor Hail Applintin md uiltis C◆nib Loader H Systems Operating system Pograns Computer Hadware Fig.1 Conceptual view of a computer system The central processing unit(CPU)is located on chips inside the system unit.The CPU is the brain of the computer.This is the place where the computer interprets and processes information. The operating system is the first component of the systems programs that interests us here.Systems programs are programs written for direct execution on computer hardware in order to make the power of the computer fully and efficiently accessible to applications programmers and other computer users. An application software (also called end-user program)is any program designed to perform a specific function directly for the user or,in some cases,for another application program.Examples of application software include word processors;database programs; Web browsers;development tools;drawing,paint,and image editing programs;and communication programs. 1479{二) Tell whether the following statements are true (T) or false (F) according to 由e passage A. {根据上文的内窑判断下列旬子的正误. 15 题3 1. Personal computer software is dependent on specific operating systems and machines. ( ) Sys P:1ogrartl!l Applicati:ln P10grams Li1:iwy s , 1D Loader lEW 句副主皿 llrd ll 与马乒 句刨出 !e C.wpiIo. 2. DOS can only work with 32-bit microprocessor. ( ) 3. Windows is the 32-bit operating system with networking capability and Internet access. ( ) 4. Unix is an interactive , multi-user, multitasking operating system. ( ) 5. The Linux operating system is free. It is the modified version of Unix running on PCs. ( ) Passage B A computer system can roughly be divided into three components: • The hardware (memory, CPU, arithmetic-logic unit , various bulk storage , I/O , peripheral devices. . . ) • System software(operating system , compilers, edit!< loaders, utilities. . . ) • Application software(database systems, business programs. . . ) A computer system can be described or shown in the following Figure. 餐露露 CO:mp.1.!er HcudWal Fig. 1 Conceptual view of a computer system The central processing unit(CPU) is located on chips inside the system unit. The CPU is the brain of the computer. This is the place where the comput巳r interprets and processes information. The operating system is the first component of the systems programs that interests us here. Systems programs are programs written for direct execution on computer hardware in order to make the power of the computer fully and efficiently accessible to applications programmers and other computer users. An application software (also called end-user program) is any program designed to perform a specific function directly for the user or, in some cases, for another application program. Examples of application software include word processors; database programs; Web browsers; development tools; drawing , paint , and image editing programs; and CommunIcatIOn programs. 1479