Multiple Choice Quiz 1分数: 1 Consider the following fragment of C++ source code. String msg; unsigned int x; int y; cin >> msg >> x >> y; cout << x + y; Which of the following is (are) true regarding execution of the segment? 1. The input statement will always take the same amount of time to execute. 2. The output statement will always be executed immediately after the input statement. 3. If x and y are both positive, an integer greater than both will be printed.选择一个答案 a. II and III only b. none c. I and II only d. II only 正确: BQuestion 2 分数: 1 Which of the following does a debugger do? 1. Analyze the source code to find programming errors. 2. Decode machine code generated by a compiler. 3. Stop execution of a program.选择一个答案 a. III only b. I, II, and III. c. I and III only d. II and III only 正确: DQuestion 3 分数: 1 Which of the following Visual C++ objects are contained within a "Project"? I.Files II.Visual C++ Solutions III.Flow charts选择一个答案 a. I, II and III b. I only c. II only d. II and III only 正确:bQuestion 4 分数: 1 Compared to a sequence of machine code instructions, a fragment of C code选择一个答案 a. does not engage any transistors during its execution b. is the native way to program most computers c. describes the actions of the computer, not just of the CPU d. may describe the same algorithm 正确:DQuestion 5 分数: 1 Integrated programming environments make it difficult to mix and match tools from different sources. This is选择一个答案 a. bad, because all the tools will then have the same user interface b. good, because tools from different sources cannot be made to interact with each other c. good, because it ensures compilation i...
