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Home Computer Science System Analysis and Design Comments

  • Question
  • Backup and recovery procedures are primarily implemented to


  • Options
  • A. handle the contingency when a file gets corrupted
  • B. to provide data redundancy
  • C. to show different versions of data and programs
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • handle the contingency when a file gets corrupted 


  • System Analysis and Design problems


    Search Results


    • 1. The records in a file on magnetic tape

    • Options
    • A. can only be accessed serially
    • B. are meant for backup
    • C. cannot be transformed to a disk file
    • D. have to be arranged in a key sequence
    • E. None of the above
    • Discuss
    • 2. "User friendly" computers have ensured that

    • Options
    • A. management requires no system analysis and design.
    • B. programmers are no longer needed
    • C. structured programming is not needed
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. Advantages of data base system is (are)

    • Options
    • A. storage space duplication is eliminated
    • B. all applications share centralized files
    • C. data are stored once in the data base and are easily accessible when needed
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. The two classification of inputs are:

    • Options
    • A. energies and maintenance
    • B. products and waste
    • C. maintenance and waste
    • D. maintenance and signal
    • E. None of the above
    • Discuss
    • 5. System prototyping helps the designer in

    • Options
    • A. making the programmers understand how the system will function.
    • B. communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
    • C. giving a demo of the software, to the system manager to whom he reports
    • D. both (a) and (b)
    • E. None of the above
    • Discuss
    • 6. Sequential or series testing is

    • Options
    • A. running the system with line data by the actual user
    • B. making sure that the new programs do in fact process certain transactions according to Specifications
    • C. is checking the logic of one or more programs in the candidate system
    • D. testing changes made in an existing or a new program
    • E. None of the above
    • Discuss
    • 7. In functional decomposition, the data flow diagram

    • Options
    • A. is ignored
    • B. is partitioned according to the "closeness" of the datagrams and data storage items
    • C. is partitioned according to the logical "closeness" of the actigrams
    • D. both (a) and (c)
    • E. None of the above
    • Discuss
    • 8. A system design aid should primarily

    • Options
    • A. help analyse both data and activities
    • B. help in documentation
    • C. generate code
    • D. using a graphical user interface
    • E. None of the above
    • Discuss
    • 9. The approach used in top-down analysis and and design is

    • Options
    • A. to prepare flowcharts after programming has been completed
    • B. to identify a top level function and then create a hierarchy of lower level modules and components
    • C. to identify the top level functions by combining many smaller components into a single entity.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 10. Which of the following is a graphic representation of the modules in the System and the interconnection between them

    • Options
    • A. Pie chart
    • B. Flow chart
    • C. Structural chart
    • D. System chart
    • E. None of the above
    • Discuss


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