AP Computer Science Principles Exam Questions And Answers

AP Computer Science Principles Exam Questions And Answers Consider the following code segment, which uses the variables r, s, and t. r <-- 1 s <-- 2 t <-- 3 r <-- s s <-- t DISPLAY (r) DISPLAY (s) What is displayed as a result of running the code segment? (A) 1 1 (B) 1 2 (C) 2 3 (D) 3 2 - Correct Ans-(C) Which of the following is a true statement about product documentation? (A) Program documentation should not be changed after it is first written. (B) Program documentation is only needed for programs in development; it is not needed after a program is completed. (C) Program documentation is useful when programmers collaborate but not when a programmer works individually on a project. (D) Program documentation is useful during initial program development and also when modifications are made to existing programs. - Correct Ans-(D) Which of the following best explains what happens when a new device is connected to the Internet? (A) A device driver is assigned to the device. CONTINUES...