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System Analysis and Design
Comments
Question
The records in a file on magnetic tape
Options
A. can only be accessed serially
B. are meant for backup
C. cannot be transformed to a disk file
D. have to be arranged in a key sequence
E. None of the above
Correct Answer
can only be accessed serially
System Analysis and Design problems
Search Results
1. "User friendly" computers have ensured that
Options
A. management requires no system analysis and design.
B. programmers are no longer needed
C. structured programming is not needed
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: None of the above
2. Advantages of data base system is (are)
Options
A. storage space duplication is eliminated
B. all applications share centralized files
C. data are stored once in the data base and are easily accessible when needed
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: All of the above
3. The two classification of inputs are:
Options
A. energies and maintenance
B. products and waste
C. maintenance and waste
D. maintenance and signal
E. None of the above
Show Answer
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Discuss
Correct Answer: maintenance and signal
4. System prototyping helps the designer in
Options
A. making the programmers understand how the system will function.
B. communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
C. giving a demo of the software, to the system manager to whom he reports
D. both (a) and (b)
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
5. Main characteristic of "ring", in Data structure, is
Options
A. First record points only to the last record
B. Last record points to the first record
C. Many records point to one record
D. Each record points to all other records
E. None of the above
Show Answer
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Discuss
Correct Answer: Last record points to the first record
6. Backup and recovery procedures are primarily implemented to
Options
A. handle the contingency when a file gets corrupted
B. to provide data redundancy
C. to show different versions of data and programs
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: handle the contingency when a file gets corrupted
7. Sequential or series testing is
Options
A. running the system with line data by the actual user
B. making sure that the new programs do in fact process certain transactions according to Specifications
C. is checking the logic of one or more programs in the candidate system
D. testing changes made in an existing or a new program
E. None of the above
Show Answer
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Discuss
Correct Answer: is checking the logic of one or more programs in the candidate system
8. In functional decomposition, the data flow diagram
Options
A. is ignored
B. is partitioned according to the "closeness" of the datagrams and data storage items
C. is partitioned according to the logical "closeness" of the actigrams
D. both (a) and (c)
E. None of the above
Show Answer
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Discuss
Correct Answer: is partitioned according to the logical "closeness" of the actigrams
9. A system design aid should primarily
Options
A. help analyse both data and activities
B. help in documentation
C. generate code
D. using a graphical user interface
E. None of the above
Show Answer
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Discuss
Correct Answer: help analyse both data and activities
10. The approach used in top-down analysis and and design is
Options
A. to prepare flowcharts after programming has been completed
B. to identify a top level function and then create a hierarchy of lower level modules and components
C. to identify the top level functions by combining many smaller components into a single entity.
D. All of the above
E. None of the above
Show Answer
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Discuss
Correct Answer: to identify a top level function and then create a hierarchy of lower level modules and components
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