Answer the following statements true (T) or false (F)
1. The computer is a tool used by so many professionals that it cannot be easily categorized.
2. Without programmers, the users of computers would have no software, and, without software, computers would not be able to do anything.
3. The contents of a variable cannot be changed while the program is running.
4. Java source files end with the .class extension.
5. When an object's internal data is hidden from outside code and access to that data is retricted to the object's methods, the data is protected from accidental corruption.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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Case-Based Critical Thinking QuestionsCase 4-1Leon works at his company's Help Desk. He is getting many questions regarding new software installation and access problems. Here are some of them. I got a message "Access to online application denied." Which of the following is the most frequent reason for that?
A. The Web site is down. B. Your user ID and password do not match the one stored in your account information. C. You do not have an Internet connection. D. The file is corrupted.