Data flow modeling Questions

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11.

A description of each function presented in the DFD is contained in a ________

A

data flow

B

process specification

C

control specification

D

data store

Correct Answer: B

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12.

Which diagram indicates the behaviour of the system as a consequence of external events ?

A

data flow diagram

B

state transition diagram

C

control specification diagram

D

workflow diagram

Correct Answer: B

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13.

A data model contains

A

data object

B

attributes

C

relationships

D

all of the mentioned

Correct Answer: D

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14.

_________ defines the properties of a data object and take on one of the three different characteristics.

A

data object

B

attributes

C

relationships

D

data object and attributes

Correct Answer: B

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15.

The __________ of a relationship is 0 if there is no explicit need for the relationship to occur or the relationship is optional.

A

modality

B

cardinality

C

entity

D

structured analysis

Correct Answer: A

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16.

A _________ is a graphical representation that depicts information flow and the transforms that are applied as data moves from input to output.

A

data flow diagram

B

state transition diagram

C

control specification

D

workflow diagram

Correct Answer: B

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17.

A data condition occurs whenever a data is passed to an input element followed by a processing element and the result in control output.

A

True

B

False

C

Can't say

D

None of the above

Correct Answer: A

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18.

The __________ enables the software engineer to develop models of the information domain and functional domain at the same time

A

data flow diagram

B

state transition diagram

C

control specification

D

activity diagram

Correct Answer: A

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19.

The __________ contains a state transition diagram that is a sequential specification of behavior.

A

data flow diagram

B

state transition diagram

C

control specification

D

workflow diagram

Correct Answer: C

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20.

Which of the following is not a construct ?

A

sequence

B

condition

C

repetition

D

selection

Correct Answer: D

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