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A computer is an electronic device designed to process, store, and output data. Here are some basic components and concepts:
1. **Hardware**: The physical components of a computer.
– **Central Processing Unit (CPU)**: The brain of the computer that performs instructions defined by software.
– **Memory (RAM)**: Temporary storage used to hold data that is being processed.
– **Storage**: Long-term data storage devices, such as Hard Disk Drives (HDDs) or Solid State Drives (SSDs).
– **Motherboard**: The main circuit board that connects all components.
– **Input Devices**: Devices used to enter data into a computer, like keyboards and mice.
– **Output Devices**: Devices that output data from a computer, such as monitors and printers.
2. **Software**: Programs and operating systems that run on hardware.
– **Operating System (OS)**: The primary software that manages hardware and software resources, such as Windows, macOS, or Linux.
– **Applications**: Software designed for end-users to perform specific tasks, like word processors or web browsers.
3. **Networking**: Connecting computers to share resources.
– **Local Area Network (LAN)**: A network that connects computers in a limited area.
– **Wide Area Network (WAN)**: A network that covers a broad area, often connecting multiple LANs.
4. **Data**: Information processed by a computer, represented in binary form (0s and 1s).
5. **Peripherals**: External devices connected to the computer, like printers, scanners, and external drives.
Understanding these basics provides a foundation for exploring more advanced topics in computing.
by Safdar Nazeer Daily Lectures
linux foundation
