Question # 1

Control flow diagrams are

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needed to model event driven systems.

required for all systems

used in place of data flow diagrams

useful for modeling user interfaces

Events occur whenever a(n)_________________

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actor and the OO system exchange information

class operation is invoked

messages are passed between objects

all of the given

The states shown in a state transition diagram do not necessarily correspond to the processes shown in a control flow diagram for the same system.

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True

False

None of them

Data Store notation in DFDs presents.

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Data input

Data output

Data input and Data output

non of the given

In transaction mapping the first level factoring results in the______________

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creation of a CFD

derivation of the control hierarchy

distribution of worker modules

refinement of the module view

Symptoms of logical errors are ------------------------------

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code is misbehaving

The program doesn't crash, but the flow of program takes odd branches through the code.

Results are the opposite

Output looks strange

all of the given

In the architecture trade-off analysis method the architectural style should be described using the

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module view

process view

all of the given

data flow view

A process which does not take input is called

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miracle process

core process

secondary process

all of the above

------------------ are two important tools that can help in managing and mastering the complexity of a program.

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abstraction and encapsulation

abstraction and Inheritence

abstraction and Polymarhphism

None of given

1. Variables should be initialized where they are declared and they should be declared in the -------------- scope possible

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Smallest

largest

medium

None of the given

In software quality assurance work there is no difference between software verification and software validation

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True

False

None of above

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