Technology

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Technology

  1. 1. TECHNOLOGY The word technology comes from the Greek Technología. • Tools • Craft • System
  2. 2. DEFINITION Dictionaries and scholars have offered a variety of definitions. • American sociologist Read Bain • The Merriam-Webster dictionary • Ursula Franklin, in her “Real World of Technology” • Bernard Stiegler, in “Technics and Time”
  3. 3. SCIENCE, ENGINEERING AND TECHNOLOGY • Science is the reasoned investigation • Engineering is the goal-oriented process • Technology is often a consequence of science and engineering
  4. 4. HISTORY The use of tools by early humans was partly a process of discovery, partly of evolution. • Stone tools • Fire • Clothing and shelter
  5. 5. STAGES OF TECHNOLOGICAL DEVELOPMENT • First stage - Hunter-gatherers • Second stage - creation of the machine • Third stage - automation
  6. 6. Mobile Technology • First generation-AMPS. FDMA technology • Second generation-GSM. TDMA technology • Third generation- UMTS. CDMA technology • Fourth generation- ISDN. W-CDMA technology
  7. 7. DEMERITS • Cyber crime • Development of nuclear weapons • Pollution • Deplete natural resources • Human productivity
  8. 8. FDMA technology
  9. 9. TDMA technology
  10. 10. CDMA technology

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