History of Educational Technology

There is written evidence that can tell us exactly who coined the phrase of educational technology. Different educators, scientists and philosophers in different time intervals have different definitions referred Educational Technology. Educational technology is a multifaceted and integrated process involving people, procedures, ideas, devices, and the organization where technology is borrowed from different fields of science and by the need and demand of education for implementation, assessment and management solutions to the problems related to all aspects of human learning.

Educational technology in general has gone through five stages.

The first stage of educational technology, along with the use of aids such as charts, maps, symbols, models, samples and concrete materials. Educational technology term was used synonymously with the media.

The second stage of educational technology is associated with the "electronic revolution" with the introduction and establishment of sophisticated hardware and software. The use of different media such as projectors, magic lanterns, radio and television writer brought a revolutionary change in the educational scenario. Consequently, the concept of educational technology was taken in terms of these sophisticated instruments and equipment for the effective presentation of instructional materials.

The third stage of educational technology is linked with the development of the media which in turn led to the "communications revolution" for educational purposes. Computer-assisted instruction (CAI) used for education since 1950 also became popular during this time.

The fourth stage of educational technology is discernible by the process of individualized instruction. The invention of programmed instruction and programmed instruction provides a new dimension to educational technology. A self-learning system based on self-instructional materials and teaching machines emerged.

The final concept of educational technology is influenced by the concept of system engineering approach or system that focuses on language laboratories, teaching machines, programmed instruction, multimedia technologies and the use of computers in teaching . According to him, educational technology is a systematic way to design, implement and evaluate the whole process of teaching and learning in terms of specific goals based on research.

Technology education during the Stone Age, Bronze Age and Iron Age
Educational technology, despite uncertainty about the origin of the term goes back to the time of periodization system three years of human prehistory, ie the Stone Age, Bronze Age and Iron Age .

Duringthe Stone Age-ignition of fire by friction stones, weapons and utensils crafted from various stones and the practice of clothing were some simple technological developments of great importance. A fraction of the Stone Age technology developed canoe Tues worthy vessels to migrate from place to place across the ocean, so they developed their first formal education of knowledge of ocean currents, weather conditions, the practice of sailing , interplanetary navigation, and star maps. During the period of the later Stone Age (Neolithic) to agricultural practice, polished stone tools were made from a variety of hard rocks in large part by digging underground tunnels, which can be considered as the first steps in mining technology. The polished axes were so effective that even after the appearance of bronze and iron, people used it for logging and the establishment of agricultural crops.

Although Stone Age cultures left no written records, but archaeological evidence have proven their nomadic life-changing solution in agriculture. Old Tools preserved in various museums, such as cave paintings of Altamira Cave in Spain, and prehistoric art, as the Venus of Willendorf, Goddess Mother of Laussel, France, etc are some of the evidence in favor of their cultures.

Neolithic revolution Stone Age, led to the emergence of the Bronze Age, with the development of agriculture, domestication of animals, and adoption of permanent settlements. For these practices the more developed the Bronze Age smelting of metals, with copper and later bronze, an alloy of tin and copper, with the materials of their choice.

People in the Age of Iron replaced bronze and developed the knowledge of iron smelting technology to reduce the cost of life from iron utensils were stronger and cheaper than the equivalent of bronze. In many cultures of Eurasia, the Iron Age was the last period before the development of scripts written.

Technology education during the period of ancient civilizations
According to Paul Saettler 2004, educational technology dates back to the time when tribal priests systematized body of knowledge and ancient cultures invented written symbols or pictograms to record and transmit information. At each stage of human civilization, you can find an instructional technique or set of procedures to implement a particular culture which were also supported by the number of research and testing. The most advanced culture, became more complex instructional technology designed to reflect particular forms of individual and social behavior, intended to run a polite society. For centuries, every significant change in education values, goals or objectives led to various instructional technologies.

Major advances in technology and engineering came with the rise of ancient civilizations. These developments stimulated and nurtured in other companies in the world to adopt new ways of life and governance.

The Indus Valley civilization was a Bronze Age early civilization, located in the northwestern Indian subcontinent. The civilization was flourished mainly around the Indus River basin, the Indus and the Punjab region, which extends to the valley-Hakr Ghaggar river and the Ganges Doab, Yamuna, (most of the piece is that today is Pakistan and western states of India today and a part of civilization extends to the southeast of Afghanistan, and the eastern part of Baluchistan, Iran).

There is a controversy in the long run to be sure about the language that people spoke of Harappa. It is assumed that his writing was at least seems to be, or pictographic writing. The script seems to have about 400 basic signs, with lots of variations. People write their scripts with the general direction from right to left. Most of the writing is on the seals and gaskets, which were probably used in trade and labor and administrative officer.

Harappa people had the knowledge of measuring tools of length, mass and time. They were the first in the world to develop a system of uniform weights and measures.

In a study by Rao PN et al. in 2009, published in Science, computer scientists found that the pattern of the Indus script is closer to that of spoken words, supporting the hypothesis proposed that codes of language that is still unknown.

According to the Chinese civilization, some of the major technological offerings include the role of China in early seismic detectors, toilet paper, matches, iron plow, the multi-tube seed drill, the suspension bridge, the truck, parachute, natural gas as fuel, compass, emergency relief map of the blast furnace, the propeller, the crossbow, South pointer car, and gunpowder. With the invention of paper that have taken their first step towards the evolution of educational technology for more cultivation of different paper crafts as a means of visual aids.

Ancient Egyptian language was at one time one of the longest survivors and the languages ​​used in the world. Your script is composed of images of real things like birds, animals, different tools, etc. These images are popularly called hieroglyphic. Their language consists of over 500 hieroglyphs that are known as hieroglyphics. In the stone monuments and tombs were discovered and rescued in the latter provides evidence of the existence of many art forms of ancient Egyptian hieroglyphs.