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Home Computer Science System Analysis and Design Comments

  • Question
  • Environment in systems parlance refers to


  • Options
  • A. a sub-system
  • B. the boundary
  • C. a part outside the boundaries
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • a part outside the boundaries 


  • System Analysis and Design problems


    Search Results


    • 1. The communication problem involves the

    • Options
    • A. analyst and the programmer
    • B. manager and the analyst
    • C. programmer and the computer
    • D. operate and the computer
    • E. None of the above
    • Discuss
    • 2. Which of the following represents processor activities, methods, and procedures in a data flow diagram?

    • Options
    • A. datagram
    • B. actigram
    • C. feed back
    • D. flow chart
    • E. None of the above
    • Discuss
    • 3. The Data flow diagram (DFD) shows;

    • Options
    • A. the flow of data
    • B. the processes
    • C. the areas where they are stored.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. In data-flow diagrams, an originator or receiver of the data is usually designated by

    • Options
    • A. a circle
    • B. an arrow
    • C. a square box
    • D. a rectangle
    • Discuss
    • 5. Which of the following' is NOT a characteristic of good test data?

    • Options
    • A. should be comprehensive
    • B. users do not participate at this preliminary stage
    • C. every statement should be executed
    • D. expected output from the module's execution should be determined manually
    • E. None of the above
    • Discuss
    • 6. Advantages of Relational Database Management systems are

    • Options
    • A. Flexibility, of relating different logical files
    • B. Security controls can be more easily implemented.
    • C. Data independence since it allows the database to grow by adding new attributes and relations.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. The "big picture" diagram of a system is the

    • Options
    • A. block diagram
    • B. logic diagram
    • C. system flowchart
    • D. program flowchart
    • E. None of the above
    • Discuss
    • 8. In Decision trees

    • Options
    • A. nodes represent the conditions, with the right side of tree listing the actions to be taken
    • B. the root is drawn on the left and is the starting point on the decision sequence.
    • C. the branch depends on the condition and decisions to made
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. When desk-checking an algorithm, you should set up a table that contains _____.

    • Options
    • A. One column for each input item
    • B. One column for each output item
    • C. One column for each processing item
    • D. Both a and b
    • E. a, b, and c
    • Discuss
    • 10. A feasibility study

    • Options
    • A. includes a statement of the problems
    • B. considers a single solutions
    • C. both (a) and (b)
    • D. a list of alternative solution considered
    • E. None of the above
    • Discuss


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