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Data Structure Sample Questions

30. Whether Linked List is linear or Non-linear data structure?

    Answer: According to Access strategies Linked list is a linear one.
    According to Storage Linked List is a Non-linear one.

31. Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

    Answer:

    

32. For the following COBOL code, draw the Binary tree?

    01 STUDENT_REC.
    02 NAME.
    03 FIRST_NAME PIC X(10).
    03 LAST_NAME PIC X(10).

    02 YEAR_OF_STUDY.
    03 FIRST_SEM PIC XX.
    03 SECOND_SEM PIC XX.
    

    Answer: