System Analysis and Design – Section 1

41. 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

Correct Answer: B. Stores records sequentially but uses an index to locate records

42. 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

Correct Answer: D. All of the above

43. The rule(s) to follow in constructing decision tables is (are):

A. a decision should be given a name
B. the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
C. standardized language must be used consistently.
D. All of the above
E. None of the above

Correct Answer: D. All of the above

44. Which are the tools not used for System Analysis

A. System – test data
B. Decision table
C. Data Flow Diagram
D. Flowcharts
E. None of the above

Correct Answer: A. System – test data

45. Back-up procedure helps in

A. restoring the operation whenever there is a disk failure
B. restoring both application and system software whenever there is disk corruption.
C. restoring the data files whenever there is a system crash
D. All of the above
E. None of the above

Correct Answer: D. All of the above

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