题目内容：
根据下列材料，请回答题The following is a list of terms about computer. After reading it, you are required to find the iterns equivalent to ( 与...相同的) those given in Chinese in the table below. Then you should put the corresponding letters in brackets on the Answer Sheet, numbered 51 to 55.
A mouse I—drag and drop
B—central processing unit J—electronic commerce
C—CAD K—floppy disk
D—data processing L—home page
E—desktop operating system M—host computer
F—dialogue boxes N—ink-jet printer
G—disk drive O—laser jet printer
H—download P—office automation
Examples：(I)拖放 (H)一F载
（ ）桌面操作系统（ ）喷墨打印机
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答案解析：