班级的链接：https://edu.cnblogs.com/campus/besti/2022-2023-1-CFAP
作业要求的链接：https://www.cnblogs.com/rocedu/p/9577842.html#WEEK03
作业的目标：学习《计算机基础与程序设计》第2、3章、《C语言程序设计》，并完成相关测试题。
作业正文：https://www.cnblogs.com/20221321yang-yu/p/16705405.html
教材学习内容总结
- 学会了进制间的转换
- 了解了补码
- 了解ASCII码，会运用
教材学习中的问题和解决过程 - 什么是补码？
解决方法：网上搜索
代码调试中的问题和解决过程
有些不懂的代码运行方式，网上上网课得出结果
上周考试错题总结
信息安全学科涉及（）中的信息安全保障问题。
A. 信息获取B. 信息存储C. 信息传输D. 信息处理
正确答案： ABCD
我的作答： ABC
2.
信息系统安全的基础是（）
A. 硬件系统安全B. 密码C. 操作系统安全D. 网络安全
正确答案： AC
我的作答： ACD
3.
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： C
4.
Which of the following is used to detect that an error has occurred between the storing and retrieving of a byte or the sending and receiving of a byte?
A. OverflowB. UnderflowC. Parity bitD. Cancellation errorE. Representational error
正确答案： C
我的作答： E
5.
Which algorithm complexity is not dependent on the size of a problem?
A. O(1)B. O(N)C. O(log2N)D. O(2N)E. O(N2)F. O(N!)
正确答案： A
我的作答： C
6.
In which decade was the first generation of computers developed?
A. 1930sB. 1940sC. 1950sD. 1960sE. 1970s
正确答案： C
我的作答： B
7.
An abstraction is a mental model that removes or hides complex details.
正确答案： 正确
我的作答： 错误
