（）devices take information people can understand and convert them to a form the computer can process.
A.Input输入 B.Output输出 C.I/O D.Disk磁盘正确答案A
（）devices take information people can understand and convert them to a form the computer can process.
A.Input输入 B.Output输出 C.I/O D.Disk磁盘正确答案A
