Computer Science - System Analysis and Design

31. 

Advantages of Relational Database Management systems are

A. Flexibility, of relating different logical files
B. Security controls can be more easily implemented.
C. Data independence since it allows the database to grow by adding new attributes and relations.
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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32. 

A turnkey package includes

A. software
B. hardware
C. training
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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33. 

A square symbols

A. defines a source or destination of system data
B. identifies data flow
C. represents a process that transforms incoming data flow(s) into outgoing data flows
D. is a data store-data at rest, or a temporary repository of data
E. None of the above

Answer: Option A

Explanation:

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34. 

A pseudocode is

A. a machine code
B. a computer generated random number
C. a protocol used in data communication
D. an easy way to communicate the logic of a program, in English like statements
E. None of the above

Answer: Option D

Explanation:

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35. 

During system study, data can be collected through

A. questionnaires
B. interviews
C. on-site observations
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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