Which of the following programming languages has the highest execution efficiency（）
Assembly language
B. C language
C++ language
D. JAVA language
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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
Which of the following is wrong about the description of pointer aliasing（）
A. Try to avoid using pointers
B. Using Pointers may reduce program efficiency
C. The compiler cannot recognize the pointer aliasing
D. When using bit fields, we should pay attention to pointer aliasing
Which of the following is not a feature of ‘shell’（）
A. It’s a low-level interface to the operating system
B. You can type shell commands from the console
C. You can write shell scripts
D. Linux supports multiple ‘shell’
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