Explain why it is not necessary for a program to be completely free of defects before it is delivered to its customers. Explain why testing can only detect the presence of errors, not their absence. What are the benefits of involving users in release testing at an early stage in the testing process? Are there disadvantages in user involvement? What is regression testing? Explain how the use of automated tests and a testing framework such as JUnit simplifies regression testing.

Which of the following is true of operations within a spreadsheet program’s built-in functions? a. operations within parentheses, then multiplication and division, and then addition and subtraction are computed. b. operations within parentheses, then addition and subtraction, and then multiplication and division are computed. c. multiplication and division, then addition and subtraction, and then operations within parentheses are computed. d. addition and subtraction, then multiplication and division, and then operations within parentheses are computed

How is the number 372 written when expanded out to place values in the base 8 (octal) number system? a. 2 x 4 + 3 x 2 + 4 x 1 b. 3 x 64 + 7 x 8 + 2 x 1 c. 3 x 8 + 7 x 7 + 2 x 6 d. 3 x 100 + 7 x 10 + 2 x 1

In a word processing program, such as microsoft word, which feature to you choose the desired picture enhancement?