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Home Computer Science System Analysis and Design Comments

  • Question
  • In processing controls must be established in a system, in order to


  • Options
  • A. prohibit tampering with information by unauthorized person
  • B. Verify that all data have been processed
  • C. block or trap faulty data from entry into processing
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • All of the above 


  • System Analysis and Design problems


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    • 1. The first step of the implementation phase is

    • Options
    • A. implementation planning
    • B. select the computer
    • C. announce the implementation project
    • D. prepare physical facilities
    • E. None of the above
    • Discuss
    • 2. The imitation of a systems investigation may result from:

    • Options
    • A. a manager's formal request
    • B. a scheduled system's review
    • C. an analyst's investigation
    • D. All of the above
    • Discuss
    • 3. Which of the following statements is not true

    • Options
    • A. Entity Relationship Diagrams are used to design files
    • B. Systems Overview can be prescribed by Data Flow Diagrams
    • C. Phases, in a Systems life cycle, are fixed and invariant.
    • D. Indexed files are faster than sequential files in all situations
    • E. None of the above
    • Discuss
    • 4. Which of the following statements is not true

    • Options
    • A. A structured chart is a sequential representation of program design
    • B. the Real-Time system is a particular case of a on-line-system
    • C. Batch totals are not incorporated while designing real-time applications
    • D. 4GLs are used for application proto typing
    • E. None of the above
    • Discuss
    • 5. Data dictionary contains detail of

    • Options
    • A. data structures
    • B. data flows
    • C. data stores
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. A pseudocode is

    • Options
    • A. a protocol used in data communication
    • B. an easy way to communicate the logic of a program, in English¬like statements
    • C. a computer generated random number
    • D. a machine code
    • E. None of the above
    • Discuss
    • 7. Which of the following activities, does not belong to the Implementation phase of the SDLC?

    • Options
    • A. File conversion
    • B. Program testing
    • C. User training
    • D. All of the above
    • E. None of the above
    • Discuss
    • 8. A data element in a record, that uniquely distinguishes the record, from all other records, is called

    • Options
    • A. response time
    • B. Key
    • C. System review
    • D. test data
    • E. None of the above
    • Discuss
    • 9. Inverted list organization

    • Options
    • A. means storing records in contiguous blocks according to a key.
    • B. Stores records sequentially but uses an index to locate records
    • C. uses an index for each key type
    • D. has records placed randomly throughout the file
    • E. None of the above
    • Discuss
    • 10. A programmer would most likely prepare a

    • Options
    • A. general system flowchart
    • B. specific system flowchart
    • C. general program flowchart
    • D. specific program flowchart
    • E. None of the above
    • Discuss


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