System Analysis and Design - Section 1 (2)

9.

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

Answer: Option B

Explanation:

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10.

In the system concepts, term Integration

A.	implies structure and order
B.	refers to the manner in which each component functions with other components of the system.
C.	means that parts of the computer system depend on one another.
D.	refers to the holism of systems
E.	None of the above

Answer: Option D

Explanation:

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11.

Which of the following is not a characteristic of good test data

A.	users do not participate at this preliminary stage
B.	should be comprehensive
C.	every statement should be executed
D.	All of the above
E.	None of the above

Answer: Option A

Explanation:

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12.

On a systems flowchart, the online manual keeping of input data is identified by using the

A.	online storage symbol
B.	Online keyboard symbol
C.	keeping operation symbols
D.	manual operation symbols
E.	None of the above

Answer: Option B

Explanation:

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13.

An example of a hierarchical data structure is

A.	array
B.	link list
C.	tree
D.	All of the above
E.	None of the above

Answer: Option C

Explanation:

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14.

Which of the following appropriately explains the desirable characteristic of good system design?

A.	Modular approach
B.	Proper documentation
C.	Conversion
D.	Long discussions
E.	None of the above

Answer: Option A

Explanation:

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15.

The set of. instructions for how to tie a bow is an example of the _____Structure.

A.	Control
B.	Repetition
C.	Selection
D.	Sequence
E.	switching

Answer: Option D

Explanation:

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16.

Data manipulation language (DML)

A.	describes how data are structured in the data base
B.	specifies for the DBMS what is required; the techniques used to process data
C.	determine how data must be structured to produce the user's view
D.	All of the above
E.	None of the above

Answer: Option B

Explanation:

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