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Computer Science - System Analysis and Design

Exercise : System Analysis and Design - Section 1
41.
Indexed-Sequential organization
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records
uses an index for each key type
has records placed randomly throughout the file
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Management's decision to rent a computer system may be based upon
tax advantages
desire to avoid a large one-time payment
operational flexibility in changing hardware
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The rule(s) to follow in constructing decision tables is (are):
a decision should be given a name
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.
standardized language must be used consistently.
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Which are the tools not used for System Analysis
System - test data
Decision table
Data Flow Diagram
Flowcharts
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Back-up procedure helps in
restoring the operation whenever there is a disk failure
restoring both application and system software whenever there is disk corruption.
restoring the data files whenever there is a system crash
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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