Q. In system modeling :
A-Model; B-Prototype;;
1- it’s an abstract view of a system that ignores system details;
2-It’s an initial version of system software
which givers end-users a concrete impression of the system capacities

• (A) A-1, B-2
• (B) A-1, B-1
• (C) B-1, A-2
• (D) A-2, B-2