Which of the following is not a target type of ‘makefile'（）
A. Ultimate target
B. Intermediate target
C. Label
Dependency file
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What are the features of the cross compiler（）
A. The compiler runs on the host machine, and compiler results also run on the host machine
B. The compiler runs on the target machine, and compiler results also run on the target machine
C. The compiler runs on the host machine, and compiler results run on the target machine
D. The compiler runs on the target machine, and compiler results run on the host machine
The characteristics of Linux do not include（）
A. Micro kernel
B. Meet the POSIX standard
C. It can run on the server
D. It can run on embedded devices
Which of the following is correct about the description of loop optimization is（）
A. Change the loop variable by using the plus count
B. Change the loop variable by using the minus count
C. ’while’ should be used when the number of loops is uncertain
D. Loop unrolling can improve the quality of program
Which of the following is correct about the description of the data type is（）
A. Shorter data types save more storage space
B. Try to use character variables when passing parameters
C. It is most efficient to use integer variables
D. Try to use a short data type in the loop to speed up execution
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