Summary 2.6
Capabilities and characteristic of hardware and software - processing
Processing
Three major functions of software:
- it allows the effective application of hardware to
problem solving
- it allows efficient management of computer resources
- it is the interface between the user or organisation
and its stored information
Two types of software:
- system software
- application software
Systems Software
System software consists of the programs that control the operations of the
computer hardware.
Three main components of system software :
- Instruction contained in ROM
- Device drivers
- An operating system
Operating system
Controls how a computer computer system functions. It is
responsible for allocating system resources, and monitoring system
activities and carrying out utilities.
Application software :
- Word Processors
- Spreadsheets
- Database management software
- Desktop publishing
- Graphics software : Painting, Drawing, and Photo
editing
- CAD/CAM
- Presentation graphics
- Personal information managers
- Groupware
- Project management
- Multimedia authoring tools
- Communications
- Web Browsers
- Web development software
- Programming languages/environments