作业信息
班级链接： https://edu.cnblogs.com/campus/besti/2022-2023-1-CFAP
作业要求： https://www.cnblogs.com/rocedu/p/9577842.html#JXJC
作业目标：数字分类与计数法 位置计数法 进制转换 模拟数据与数字数据 压缩与解压 数字化 信息安全
作业正文:https://www.cnblogs.com/yx-qx-xy-515-2/p/16705527.html
教材学习内容总结
1.学会了进制间的转换；
2.了解了补码，反码，原码的转换；
3.了解了ASCLL码
教材学习中的问题和解决过程
1.在进制转换中数字前面出现的d是什么意思？
解决：在百度上查找得D表示十进制，H表示十六进制，B表示二进制，OQ表示八进制
2.All of the following project or system breakdowns occurred as a result of software errors, except:
A. the 9-hour failure of the AT&T long-distance network in 1990.
B. massive radiation overdoses by Therac-25 radiation therapy machines between 1985 and 1987.
C. a U.S. Patriot Missile battery’s failure to track and intercept an incoming Iraqi Scud missile that killed and injured American troops in Saudi Arabia during the Persian Gulf War in 1991.
D. the Mars Climate Orbiter entering the Martian atmosphere about 100 kilometers lower than expected, causing the craft to burn up.E. periodically miscalculated spreadsheet data completed on computers manufactured by IBM, Compaq, Dell, Gateway 2000, and other IBM-compatible PCs beginning in 1994.
正确答案： E
我的作答： D
代码调试中的问题和解决过程
1.全局变量与局部变量有相同的名字是时，谁优先？
解答：局部变量优先，同名局部变量所在函数会屏蔽全局变量，而优先使用局部变量