⟩ The first step in systems Development Life Cycle is A. database design B. system design C. preliminary investigation and analysis D. graphical user interface E. None of the above
C. preliminary investigation and analysis
C. preliminary investigation and analysis
Nassi - Schneider charts A. are being replaced by flowcharts B. often describe over lapping control structures C. are made up of boxes within boxes D. both (a) and (c)
The set of. instructions for how to tie a bow is an example of the _____Structure. A. Control B. Repetition C. Selection D. Sequence E. switching
Which of the following tools is not used in modeling the new system? A. decision tables B. data dictionary C. data-flow diagrams D. All of the above
Which of the following appropriately explains the desirable characteristic of good system design? A. Modular approach B. Proper documentation C. Conversion D. Long discussions E. None of the above
An example of a hierarchical data structure is A. array B. link list C. tree D. All of the above E. None of the above
On a systems flowchart, the online manual keeping of input data is identified by using the A. online storage symbol B. Online keyboard symbol C. keeping operation symbols D. manual operation symbols E. None of the above
Which of the following is not a characteristic of good test data A. users do not participate at this preliminary stage B. should be comprehensive C. every statement should be executed D. All of the above E. None of the above
In the system concepts, term Integration A. implies structure and order B. refers to the manner in which each component functions with other components of the system. C. means that parts of the computer system depend on one another. D. refers to the holism of systems E. None of the above
Indexed-Sequential organization 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
Management's decision to rent a computer system may be based upon A. tax advantages B. desire to avoid a large one-time payment C. operational flexibility in changing hardware D. All of the above E. None of the above