Which of the following shortcut keys enables you to select everything in a document?

Answer the following statements true (T) or false (F)

1) Only the statements for one case can be executed in any one execution of a switch statement. 2) A case with no statements is called an empty case, and requires only the break statement. 3) The effects of break and continue statements can be achieved by structured programming techniques. 4) The break statement terminates a program.

Today, virtually all new major operating systems are written in:

a. Objective-C. b. C or C++. c. Visual C#. d. Ada.