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System Analysis and Design
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Question
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
Correct Answer
to identify a top level function and then create a hierarchy of lower level modules and components
System Analysis and Design problems
Search Results
1. 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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Correct Answer: help analyse both data and activities
2. 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
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Correct Answer: is partitioned according to the logical "closeness" of the actigrams
3. 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
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Correct Answer: is checking the logic of one or more programs in the candidate system
4. 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
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Correct Answer: handle the contingency when a file gets corrupted
5. 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
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Correct Answer: can only be accessed serially
6. Which of the following is a graphic representation of the modules in the System and the interconnection between them
Options
A. Pie chart
B. Flow chart
C. Structural chart
D. System chart
E. None of the above
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Correct Answer: Structural chart
7. Which of the following is not considered a tool at the system Design phase?
Options
A. Data-Flow Diagram
B. Decision Table
C. Pie chart
D. System Flowchart
E. None of the above
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Correct Answer: Pie chart
8. Reverse video is a technique of
Options
A. showing data with half brightness
B. showing data upside down on the screen
C. hiding confidential data on the screen
D. emphasizing data by reversing the foreground and background
E. None of the above
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Correct Answer: emphasizing data by reversing the foreground and background
9. A system analyst designs a new system by
Options
A. identifying sub systems and the interfaces between sub systems
B. adopting a developed system to the present environment
C. developing the system as a large, single unit
D. propose alternatives to the current system
E. None of the above
Show Answer
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Correct Answer: identifying sub systems and the interfaces between sub systems
10. Structured Programming involves
Options
A. decentralisation of program activity
B. functional modularisation
C. localisation of errors
D. All of the above
E. None of the above
Show Answer
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Correct Answer: functional modularisation
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