The advantages of computer numerical control systems do not include ( ).
A: Using software to change the function of NC system flexibly, high flexibility
B: Making full use of computer technology and its peripheral equipment to enhance the function of numerical control system;
C: The function of NC system is realized by hardware, and the reliability is high
D: The system performance price ratio is high and the economy is good
A: Using software to change the function of NC system flexibly, high flexibility
B: Making full use of computer technology and its peripheral equipment to enhance the function of numerical control system;
C: The function of NC system is realized by hardware, and the reliability is high
D: The system performance price ratio is high and the economy is good
举一反三
- According to the basic principle of message exchange, the function of its exchange system can be summarized as ( ). A: storage system B: forwarding system C: store and forward system D: transmission control system
- A computer system consists of hardware system and software system.
- There are a kind of persons who use computer to deal with data and produce some information，but they do not change the hardware system and the software system．Which kind of person are they A: system architect B: language creator C: terminal user D: computer scientist
- In the switching control part of the analog video monitoring system, its main function is to switch the video image and control the front-end equipment, mainly including ( ) A: Matrix controller B: Control keyboard C: Control code generator D: Monitor
- What is the function of nervous system? A: control all other systems and bodily movements B: body C: arm D: human language