QUESTION 28 Which kind of variable is available for use only within the module i

Question

QUESTION 28 Which kind of variable is available for use only within the module in which it is declared? o a global O b. local o c. sentinal o d. all of these QUESTION 29 What are the two items that must be included in a variable declaration? o a Name and Size o b.Size and Data Type C. Name and Data Type od. Data Type and Line Number QUESTION 30 What flowchart symbol can be used to describe variables used in the program or provide other types of documentation notes? a Annotation O b. Decision O c. Process o d. Connector QUESTION 31 The process of combining two or more files while maintaining the sequential order is called o a. merging o b. sorting Oc. control break processing Od. none of these QUESTION 32 What values can result from evaluating Boolean expressions? a Numeric or Alphabetic b.Ascending or Descending c. True or False d. none of these

Explanation / Answer

28. b. local variables are used only within the module

29. c. Name and Datatype are used in any variable declaration

30. c. Process symbol is used to describe variables used in the program

31. a. merging is the process of combining two or more files while maintaining sequential order

32. c. A boolean expression is always evalueated to be true or false

33. a. A hierarchy chart shows logic of the program.

34. a. OR requires atleast one condition to be true

35. c. For decision with 2 outcomes, we use if-else. More than that , we can go for switch case.

36. b. If loop control variable is not altered, loop runs infinitely since loop break condition will never get executed.

37. c. Default constructor means constructor with 0 arguments.

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