ssd6选择题答案无重复.doc

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? The input statement will always take the same amount of time to execute. The output statement will always be executed immediately after the input statement. If x and y are both positive, an integer greater than both will be printed. (a) II only (b) none (c) I and II only (d) II and III only Correct answer is (b) See section 1.1.1 of the course notes. 2. Integrated programming environments make it difficult to mix and match tools from different sources. This is (a) bad, because no single vendor is likely to be the source of all the best tools (b) good, because it ensures compilation is not done incrementally by accident (c) bad, because all the tools will then have the same user interface (d) good, because tools from different sources cannot be made to interact with each other Correct answer is (a) See section 1.1.4 of the course notes. 3. In Visual C++, a Win32 Console Application is (a) a program that is able to control the operating system of a windows computer (b) the simplest type of application Visual C++ can generate (c) the status window of the Visual C++ environment (d) built by using sophisticated Application Wizards Correct answer is (b) See section 1.2.1 of the course notes. 4. Which of the following must be true if a program is stopped at a specific line within the Visual C++ debugger? There is at least one breakpoint enabled. There is a breakpoint enabled on that line. There is a breakpoint enabled on the line preceding that line. (a) I and III only (b) I and II only (c) none (d) I only Correct answer is (c) 5. What does the following program print? void callee(int * count) { (*count)++; } int main (int argc, char *argv[]) { int count = 4; callee(count); printf(%d,