System Analysis and Design
System prototyping helps the designer in

making the programmers understand how the system will function.
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
giving a demo of the software, to the system manager to whom he reports
all of the listed here

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
The black-box concept:

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
A system design is said to be functionally modular if

None of these
the system is able to handle all the function of the application
each module performs a specific function and can be developed relatively independently by programmers
the system is developed using structured programming through COBOL or PASCAL
the system makes extensive use of function. keys for maximum user assistance

ANSWER DOWNLOAD EXAMIANS APP