An optical scanner can actually read characters and transfer them to the monitor screen of a computer.
光学扫描仪能读出字符，并将其转换到电脑显示屏上。
My computer experience began with a Kaypro IV (right) running CP/M, a simple machine using two 5.25 inch floppy drives and a nine-inch green monitor screen.
我接触的第一台电脑是一台运行CP/M操作系统的KayproIV，它的配置相当简单，主要就是两个5.25英寸软驱和一个9英寸的绿色显示器。
Modern shells perform this task by means of a graphical user interface (GUI) in which objects to be manipulated, such as files and programs, are represented pictorially on the monitor screen as icons.
现代的外壳程序是通过图形用户界面（GUI）来完成这一工作的，在图形界面中要操作的诸如文件和程序等对象是在计算机屏幕上以图形化的图标方式表示的。
The pointing unit is designed to enable a mouse pointer to move on a monitor screen depending on the extent of sliding of the pointing unit along the curved surface of the support unit.
本指针装置根据其沿曲面支撑装置的曲面进行滑动的程度，可使鼠标指针于显示屏上进行移动。
The pointing unit is designed to enable a mouse pointer to move on a monitor screen depending on the extent of sliding of the pointing unit along the curved surface of the support unit.
本指针装置根据其沿曲面支撑装置的曲面进行滑动的程度，可使鼠标指针于显示屏上进行移动。
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