Technology Lecture Notes

Definition of Technology

• Technology refers to the practical application of scientific knowledge for a purpose.
• It enhances the usefulness of goods and services in a safe manner.
• Aims at creating value and making work easier.

Advantages of Technology

• Comfort:
  • Technology has made human life comfortable.
  • Examples include:
    • Clothes we wear
    • Houses we live in
    • Vehicles (cars, bridges, flyovers)
    • Mobile phones
• Education:
  • Virtual classes in schools.
  • E-learning as a new concept.
  • Internet technology used for downloading study materials in various formats (text, audio, video).

Disadvantages of Technology

• Pollution:
  • Increased waste products from technology contribute to pollution.
  • Discharge of industrial waste reduces soil, water, and air quality.
  • Vehicle emissions are significant causes of air pollution.
• Health Effects:
  • Technologies improve comfort but can negatively impact health.
  • Impure air and water are hazardous to health.
  • Excessive smartphone use leads to stress and posture-related issues.

Conclusion

• Technology has greatly eased human life and contributed to cultural and societal development.
• However, over-reliance on technology can be detrimental.
• It should be used with care and only for purposes that benefit humanity.