Software is a set of instructions that tells the computer what to do.
Types of software
- System software: manages and controls computer hardware
Operating system examples: Windows, macOS, Linux, Android, iOS, Chrome OS
- Device drivers: help hardware work (printer, graphics driver
- Utility programs: anti-virus, disk clean up, backup software
APPLICATION SOFTWARE: Programs for specific user tasks
Types of application software
- Word processor: for essays, letters, reports e.g. MS Word, Google Docs
- Spreadsheet: for calculations, budget task e.g. MS Excel
- Presentation: slide show, class presentation e.g. MS PowerPoint
- Web browsers: internet access e.g. Chrome, Firefox
- Games
- Security
Functions of operating system
- Controls all devices
- Allocate RAM to programs
- Finds and reports errors, troubleshooting
- Saves, copies and restores lost files
Software care
- Update regularly
- Use anti-virus
- Avoid pirated software
- Close properly
- Uninstall unused programs.
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