Bachelor of Engineering (B.E.)
Year/Part: IV/II
Program: Computer and Electronics
Definitions
Technology
According to Webster’s dictionary, technology is defined as a description of arts.
General definition of technology
Technology is technical means, which involves the systematic application of organized knowledge, and tools and materials for the extension of human facilties.
Technology is the source of change in society.
Technological innovation
Creative. feasible ideas
Practical application
Diffusion through society
Environment
Environment is defined as the immediate surroundings which supports life and sustains various human activities. The surroundings comprises of
Biotic or living things: plants, animals, microorganisms
Abiotic or non-living things: land, water, air etc.
Society
Society is people living together in communities.
Chapter 1. Brief History of Technology
Beginnings (from beginning to 3000BC)
Universe: Evolution theory: Big bang theory, 10 to 20 billion years ago
Solar system: Sun at the centre and eight planets, age of sun: about 5 billion years
Earth and life: some facts
Third planet that orbit the sun
Formed from cloud of dust and gas drifting through space about 4.6 billion years ago.
First primitive life: algae and bacteria appeared around 3.4 billion years ago.
Human being
Separation of human lineage from primates: about 2 million years ago.
Modern human (homosapiens) appeared in Africa around 100,000 years ago.
Beginning of human civilization: about 5000 years ago
Stone Age
Age prior to the beginning of civilized society (up to 3000BC)
Tools: stone, wood, animal bone, horn
No use of metal tools
Potter’s wheel (around 6500BC)
Nomadic culture: Humans moved from one place to another place searching for the foods
At the end, more settled
1.1 Civilizations between 3000BC to 1660 AD
a. First civilizations (3000 BC to 1100