This document discusses different types of software used in education. It defines system software as programs that control computer operations and serve as the interface between users, applications, and hardware. Operating systems are a type of system software that coordinate computer hardware and allow running of application software. Popular operating systems discussed include Windows, Mac OS X, iOS, Android, and Blackberry OS. The document also outlines different types of application software used in schools for instruction, drills, simulations, games, and assisting students with special needs.