System Analysis and Design
A square symbols

represents a process that transforms incoming data flow(s) into outgoing data flows
is a data store-data at rest, or a temporary repository of data
defines a source or destination of system data
identifies data flow
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Cost-Benefit analysis

evaluates the tangible and non-tangible factors
All of these
None of these
estimates the hardware and software costs
compares the cost, with the benefits, of introducing a computer-based system

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
In a Decision tree

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
the root is drawn on the left and is the starting point on the decision sequence
all of the listed here

ANSWER DOWNLOAD EXAMIANS APP