The operating system controls and coordinates the use of the hardware among the various systemsprograms and application programs for the various users.
操作系统控制和协调硬件在不同的系统程序和应用程序中的使用，以满足不同用户的需求。
2
Writing systemsprograms which form part of the operating system of the computer, providing utility services or managing data communications between computing devices.
编写系统程序，作为电脑运行系统的一部分；在电脑设备当中提供日常服务及进行数据信息管理。
3
Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses.