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Application software (database systems,business programs...) A computer system can be described or shown in the following Figure. 图 花图 Applicaion Pograms Editor Loader bil Ali碰in ard Uilties Eaplbr Sy电5s Operati位rg5 ystem Pagrams Comput恤r 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. (三)choose the best answer according to the passage B.(根据上文的内容选择正确的答案。 10分,每题2分) 41.A computer system can roughly be divided into three components except A.hardware B.System software C.Application software D.CPU 1215ppli software (database systems, business programs. • . ) A computer system can be described or shown in the following Figure. 噩噩茵 c. lII1l 1Dr Loader 越I Bu.n.草 峙pli:1li:rI. m:l )'5 Comp1恒rHaJd Ul! Fig. 1 Conceptual view of a computer system S)'511!!ms Pmgrar 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. {三 best answer according ωthe passage B. (根据上立的内容选择正确的答案。 10 题2 41. A computer system can roughly be divided into three components except _一· A. hardware C. Application software B.System software D.CPU 1215
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