Lesson 1: Components of the Computing Environment

Definition: A computing environment refers to the combination of hardware, software, and network resources that enable computers to operate and communicate.

Components

They are classified into:

1. Hardware

  • Input Devices (keyboard, mouse, scanner) – used to enter data into the computer
  • Processing Devices (CPU, GPU) – execute instructions and perform calculations
  • Storage Devices (hard drive, SSD) – store data and programs
  • Output Devices (monitor, printer) – display or print output
  • Network Devices (router, modem) – connect to and manage networks

2. Software

  • Operating System (Windows, macOS, Linux) – manage hardware, provide a platform for applications
  • Application Software (Microsoft Office, Google Chrome) – perform specific tasks (word processing, browsing)
  • Utility Software (antivirus, disk formatting tools) – maintain and optimize system performance

3. Network

  • Local Area Network (LAN) – connects devices within a limited area
  • Wide Area Network (WAN) – connects devices over a larger geographic area
  • Internet – connects to a global network of computers

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