Computer Basics

Here's a simple and clear introduction to the basic parts and functions of a computer — ideal for beginners.

💻 What is a Computer?

A computer is an electronic device that can store, process, and output data. It follows instructions (programs) to perform various tasks quickly and accurately.

🧠 Main Components of a Computer

Component Function Illustration
Monitor Displays the output (text, images, videos) Monitor
System Unit (CPU) Main body of the computer – processes data CPU
Keyboard Input device – used to type Keyboard
Mouse Input device – used to click, drag, point Mouse
Speakers Output device – produce sound Speakers
Printer Output device – prints documents/images Printer

🔧 Types of Computer Software

  1. System Software – runs the computer (e.g., Windows, macOS).

  2. Application Software – helps perform tasks (e.g., Word, Excel, browsers).

  3. Utility Software – maintains system health (e.g., antivirus, file managers).

🗂️ Basic Computer Functions

Function Description
Input Entering data using keyboard, mouse, etc.
Processing The CPU processes data using instructions
Storage Saving data (temporarily or permanently)
Output Displaying or printing results

🧾 Types of Computers

Type Use Case
Desktop Personal or office work
Laptop Portable computing
Tablet Touch-screen and mobile-friendly
Server Hosts websites, networks, databases

Would you like an illustrated poster of this summary? I can generate a clear graphic for you!

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