单选题:Which of the following devices is a block devices ?
Which of the following devices is a block devices ? @[B](1)
A. the serial port
B. the hard disk
C. the virtual terminal
D. the printer
A.the serial port
B.the hard disk
C.the virtual terminal
D.the printer
答案:B
A. the serial port
B. the hard disk
C. the virtual terminal
D. the printer
A.the serial port
B.the hard disk
C.the virtual terminal
D.the printer
答案:B