（翻译）1.Four common storage devices are a floppy disk drive, a hard disk drive, a CD-ROM drive, and a DVD-ROM drive.
2.Four commonly used input devices are the keyboard, the mouse, a microphone, and a PC camera.
3.An optical scanner reads printed text and graphics and then translates the results into a form computer can use.
4.Resolution typically is measured in dots per inch (dpi), and is stated as the number of columns and rows of dots..
5. Display devices include CRT monitors, flat-panel displays.
2． In mathematic computing and computer applications, matrixes are used to arrange data into table form.
3．Deselect the text by clicking anywhere outside of the selected area on the page or pressing an arrow key on the keyboard.
4. 总线是计算机系统部件之间的电路，可以传输信号和电能。
5. 显卡是计算机的组成部分之一，它能够把视频数据转换成你在显示器上能看到的可视信息。
With the development of computer, the physical size of the CPU has often become bigger and bigger. ( )
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