()system let you run more than one program at a time.
Application
B. Software
C. Real time
D. Multitask
We can input data by a ( ).
A. printer
B. keyboard
C. disk
D. memory
Most personal computers are equipped with a( ).
A. CPU
B. mouse
C. keyboard
D. display
智能制造的根本目的在于促进制造业转型升级,以满足用户个性化需 求为手段来创造更多商业价值,当前已从生产型制造向服务型制造转变, 从以产品为中心到以用户为中心转变。
A. 对
B. 错