用“w”方式打开的文件只能用于向该文件写数据，而不能用来向计算机输入。
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程序中可以使用三个标准的流文件:标准输入流、标准输出流和标准出错输出流。
A. 对
B. 错
任何一个存放数据的地方都有指针。
A. 对
B. 错
Which term was originally a positive title?
A. Hacker
B. Cracker
C. Phishers
D. None of the above
Which of the following behavior(s) is (are) illegitimate?
A. Tricking others’ credit card numbers via computer
B. Tampering with files in others’ computers without permission
C. Breaking into networks with malicious intent
D. All of the above
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