【名词&注释】
批处理(batch processing)、网络地址转换(nat)、目的地(destination)、数字信息(digital information)、对话框(dialog box)、主要特征(main features)、点对点(point-to-point)、电话线(telephone line)、分时操作系统(time sharing operating system)、选项卡
[单选题]is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A. Computer network
B. Computer device
C. Computer processor
D. Computer storage
B. line C. board D. circuit