|
本题添加时间：2023/6/28 0:32:00 |
|
圆梦客服：王老师 19139051760(微信同号) 19139051760(微信同号) |
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, editors, loaders, utilities...)
·Application software (database systems, business programs...)
A computer system can be described or shown in the following Figure.
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.
choose the best answer according to the passage.(根据上文的内容选择正确的答案。)
1．A computer system can roughly be divided into three components except ( D ) .
A．hardware B．System software C． Application software D．CPU
2．The central processing unit (CPU) is an important part of the computer, and it can interpret and ( A ) information.
A．process B．use C．brain D．heart
3．The operating system is one of ( B ) .
A．hardware B．system software C．application software D．computer
4．An application software is any program designed to perform a ( A ) function directly for the user or, in some cases, for another application program.
A．specific B．normal C．general D．abnormal
5. Which of the following is not an application software? ( D ) .
A． word processor B． database program C．Web browser D．compiler
|
答案是:DABAD
出自
国家开放大学计算机英语 国家开放大学系统
郑州大学
|
更多试题>>>>
1、The Internet, then known as ARPANET, was brought online in 1969, which initially connected four major computers at unive
2、A computer virus is a computer program that is created to make and spread copies of itself. The program may however also
3、In order to solve a computational problem, its solution must be specified in terms of a sequence of computational steps,
4、Natural languages are designed to facilitate the communication between humans. Programming languages are designed to fac
5、Microsoft Word, known as Word, is a very powerful Windows word-processing package. It is a member of Microsoft office. W
|
|
