Functions of an Operating System (OS).pptx
- 1. FUNCTIONS OF AN OPERATING SYSTEM
- 2. FUNCTIONS OF AN OPERATING SYSTEM (OS) An Operating System (OS) helps a computer work properly and makes it easy for us to use. Here are its main functions:
- 3. User Interface – The OS gives us a screen with icons, buttons, and menus so we can click and use the computer easily. The OS gives us a screen with buttons and icons to click so we can use the computer easily.
- 4. 2 Memory Management 💾 – It stores and organizes files so we don’t lose important data. It stores and organizes files so we can save and find our work easily.
- 5. 3 Processor Management – The OS decides which task runs first to keep the computer fast. It decides which task runs first so the computer works fast and smoothly.
- 6. Device Management – It controls devices like the mouse, keyboard, printer, and speakers so they work properly. It controls devices like the mouse, keyboard, and printer so they work properly.
- 7. File Management 📂 – The OS organizes files into folders, making them easy to find. The OS keeps files in folders so we can find and open them quickly.
- 8. 6 Security 🔒 – It protects the computer from viruses and hackers using passwords and firewalls. It keeps the computer safe by using passwords and protecting it from viruses.
- 9. ERROR DETECTION The OS finds problems in the computer and shows error messages to fix them. It finds and fixes problems in the computer and shows error messages if something is wrong.
- 10. IMPORTANCE OF PROPERLY SHUTTING DOWN A PC Shutting down a computer the right way is very important! Here’s why: 1 Saves Data – It makes sure all your files are saved before turning off the computer. 2 Prevents Damage – It protects the system from errors and keeps the hardware safe. 3 Clears Memory – It removes temporary files and makes the computer run faster next time. 4 Updates the System – Some updates install when you shut down, keeping the computer secure and smooth. 5 Saves Energy – Turning off the PC properly helps save electricity and battery life.
- 11. OPERATING SYSTEM INTERFACE An operating system interface refers to the part of an operating system that allows a user to interact with the computer, acting as a communication bridge between the user and the computer hardware; essentially, it's how a user gives commands and receives information from the system, usually through a graphical user interface (GUI) or a command-line interface (CLI).
- 12. OPERATING SYSTEM INTERFACE Key points about operating system interface: Function: It provides a way for users to input instructions and receive responses from the computer without needing to understand complex machine code. Types of interfaces: Graphical User Interface (GUI): A visual interface with icons, menus, and windows that users can click on to interact with the system. Command Line Interface (CLI): A text-based interface where users type commands to execute actions.