题目

英译汉 operating system is the most important prog
英译汉
operating system is the most important program that runs on a computer.every general-purposes computer must have an operating system to run other programs.operating systems perfrom basic tasks ,such as recognizing input from the keyboard ,sending output to the display screen ,keeping track of flies and directories on the disk ,and controlling peripheral devices such as disk drive and printers.

提问时间：2021-12-26

答案

操作系统是最重要的程序运行在一个计算机.每一个一般用途的计算机必须运行其他程序操作系统.操作系统执行基本任务,如识别从键盘的输入,将输出发送到显示屏,让苍蝇和目录的磁道上,和控制的外围设备,如磁盘驱动器和打印机.