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46. 

Which of the following is done in order a data in phase 1 of the system development life cycle?
A. reviewing policies and procedures
B. conducting interviews
C. using questionnaires to conduct surveys.
D. All of the above
E. None of the above
47. 

System Specifications are used to
A. describe system flows
B. get an accurate picture of the system
C. avoids ambiguity
D. Ail of the above
E. None of the above
48. 

Which of the following statements is not true
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