?应用软件是直接为用户设计的具有专门功能的软件
计算机专业英语作业及答案 ... CPU 是最复杂的计算机系统设备， 它根据的指令负责指挥协调计算机系统的全部活动。 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, files are stored and retrieved, and how the system’s hardware components are 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. 个人计算机软件建立于特定的操作系统和计算机。 3．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. Figuratively speaking, application software sits on top of system software because it is unable to run without the operating system and system software. 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。 ...