121. Which of the following is not a requirement of structured design?
122. The Data flow diagram (DFD) shows;
123. In data-flow diagrams, an originator or receiver of the data is usually designated by
124. A data flow diagram is
125. Environment in systems parlance refers to
126. When desk-checking an algorithm, you should set up a table that contains _____.
127. Data dictionary contains detail of
128. Which of the following statements is true
129. A self check digit is useful in detecting
130. Advantages of Relational Database Management systems are
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