Topics Covered:

Basics of IT Unit- Basic of Computer Skills Unit- Internet

Basics of IT:

How does a computer work?

A computer works by processing data through a series of operations. It takes input, processes it, and produces output. The main components involved are:

  1. Input Devices: Such as a keyboard or mouse, which allow users to provide data.
  2. Central Processing Unit (CPU): The brain of the computer, which processes instructions.
  3. Memory: Stores data temporarily (RAM) or permanently (hard drive).
  4. Output Devices: Such as a monitor or printer, which display or produce the result.

Important Characteristics of a Computer

  1. Speed: Computers can process data at incredible speeds.
  2. Accuracy: They perform calculations and processes with high precision.
  3. Storage: Computers can store vast amounts of data.
  4. Versatility: They can perform a wide range of tasks.
  5. Automation: Once programmed, they can perform tasks automatically.

Applications of Computers

  1. Education: E-learning, research, and administration.
  2. Healthcare: Patient records, diagnostics, and research.
  3. Business: Accounting, inventory management, and communication.