Q169
Which of the following statements is not true
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
AnswerE.
None of the above
Answer: Option D
Solution
Answer: Option D
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