What Is the Systems Development Life Cycle (SDLC)

What is the systems development life cycle (SDLC) ?

A) Involves establishing a high-level plan of the intended project and determining project goals
B) Involves analysing end-user business requirements and refining project goals into defined functions and operations of the intended system
C) Involves describing the desired features and operations of the system
D) The overall process for developing information systems from planning and analysis through implementation and maintenance