案例分析题

（） refers to the parts of the computer that you can ,see and touch. It is used for the purpose of （） .

It is used for the purpose of （）

单项选择题电子邮件是Internet应用最广泛的服务项目，通常采用的传输协议是（）协议。

A．SMTP
B．TC P/IP
C．IPX/SPX
D．CSMA/CD

单项选择题(70) is the memory that the computer uses to temporarily store the information as it is being processed.