计算机专业英语(上)(2)

2.Personal computer software is based on specific operating systems and machines.Operating systems software defines the ‘personality’ of the computer by specifying the way in which programs are controlled, are stored and retrieved, how the system’s hardware components files and and held together.Software written to run on a specific PC operating system can’t run on another.To use PCs effectively,one must understand the capabilities of their operating systems software. 译： 个人计算机软件建立于特定的操作系统和计算机。 操作系统软件通过一系列措施定义了 计算机的性能，包括如何控制程序执行、文件如何存储和读取、系统硬件组件如何管理等。 基于某一特定的 PC 操作系统编写的软件不能用于其他操作系统。为了有效利用 PC 机，用 户必须了解操作系统的特性。

3.An application software (also called end-user program) is any program designed to perform a specific function directly for the user or, some cases, another application program. in for Examples of application software include word processors; database programs; Web browsers; development6

计算机英语考试复习题

tools;drawing,paint,and image editing programs;and communication programs.Figuratively speaking,application software sits on top of system software because it is unable to run without the operating system and system software. 译：应用软件(又称作终端用户程序)是直接为用户设计的具有专门功能的软件，或在某些 情况下，为另一种应用程序设计的软件，应用软件的例子有：字处理器，数据库程序，网络 浏览器，开发工具，绘图和图像编辑程序，通信程序等。比喻地说，应用软件坐在系统软件 的上面，这是因为如果没有操作系统和系统公用程序应用软件将不能运行。