Directly for hardware programming, can’t（）
Access processor’s registers
B. Control the working mode and process of the hardware
C. Using the scheduling mechanism of operating system
D. Read-write memory
查看答案
Which of the following is wrong about the description of the interrupt service routine（）
A. It can return the computed result to the main function
B. It should be as short as possible to enhance the real-time of the system
C. It should not include complex operations
D. It cannot pass arguments
Which of the following programming languages has the highest execution efficiency（）
Assembly language
B. C language
C++ language
D. JAVA language
Which of the following is not an inherent part of an embedded system（）
A. Processor
B. Peripheral circuit
C. Embedded operating system
D. Embedded application software
Which of the following is wrong about the description of the program optimization of ARM C（）
A. It can analyze the running time of the program
B. It can guide assembly program design
C. It can analyze whether the program is efficient
D. It can guide C programming design
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