The document summarizes different types of software including system software, application software, and specific applications. System software includes the operating system, device drivers, and RAM which allow interaction with hardware. Application software is divided into individual programs, integrated packages, and software suites. Specific applications mentioned include word processors, spreadsheets, databases, desktop publishing, graphics, CAD/CAM, presentations, personal information managers, groupware, project management, multimedia authoring tools, communications, web browsers, and web development software. Programming languages provide underlying instructions to control hardware.