System Analysis and Design
During what phase, the requirement analysis is performed?

system analysis phase
system development phase
None of these
system design phase
system investigation phase

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System Analysis and Design
In a Decision tree

the root is drawn on the left and is the starting point on the decision sequence
all of the listed here
the nodes represent the conditions, with the right wise of tree listing the actions to be taken
the branch, to be followed, depends on the conditions and decisions, to be made

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System Analysis and Design
The black-box concept:

None of these
All of these
assumes that inputs and outputs will remain stable
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
assumes that the black box is independent

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