class 8 chapter 1 wxer cise answer
Operating System (OS) – Class 8 Notes 1. Operating System (OS) Definition: An Operating System is system software that controls and manages the computer hardware and software and allows the user to interact with the computer. Examples: Microsoft Windows Linux macOS Android Functions of an Operating System Manages hardware devices. Runs application programs. Manages memory. Controls input and output devices. Provides user interface (GUI or CUI). Manages files and folders. Types of Operating System 1. Multitasking Operating System Definition: A multitasking OS allows a computer to run more than one program at the same time . Example: Microsoft Windows macOS Example Situation: Listening to music while typing a document. Use: In personal computers For office work 2. Multi-user Operating System Definition: A multi-user OS allows multiple users to use the same computer system at the same time . Examples: Unix Linux Use: Used in servers Used in banks and large organizations 3. Real-Time Op...