By the end of this module unit, the trainee should be able to: a) understand systems concepts b) understand systems analysis and design phases c) use systems analysis design tools and techniques d) apply systems development methodologies e) apply information system project management skills By the end of this topic, the trainee should be able to: a) explain the meaning and importance of GIS b) describe the components of a GIS By the end of this module unit the trainee should be able to:- a) understand the program development cycle b) apply development skills in pascal and c programming languages c) understand the various data types, control, and data structures used in structured computer programs d) develop a program in a structured programming language