History of IT from discovery up to now

• IT - information Technology
• Information - is a processed data
• The word technology comes from the greek word:

  • Tekhe - Which means arts and craft
  • Logia - which means a subject or interest, a saying, or an expression.
• All data or information is in an electronic format.
• The word "IT" first appeared in 1958 as it was coined in an article published in the Harvard Business Review when authors Harold J. Leavitt, and Thomas C. Whisler said "The new technology does not yet have a single established name. We shall call it information Technology."
• Role of Information Technology - "Gaining knowledge through information."
• 4 main ears in the History of IT

  • The Pre-Mechanical Age: 3000 BC and 1450 AD
  • The Mechanical Age: 1450 - 1840
  • The Electromechanical Age: 1840 - 1940
  • The Electronic Age: 1940 - Present
• Pre-Mechanical Age: 3000 BC and 1450 AD - "The earliest age of information technology"
• Petroglyphs - simple picture drawings usually carved in rock. This form of language was used to tell a story, to keep a record of how many animals one owned and to mark their territory.
• Cuneiform - The first writing system. Instead of using pictures to express words, signs were composed to correspond with spoken sounds.

  Was the most widespread and historically significant writing system in the ancient Middle East.

  Example: stars = heaven or god.
• Phoenician Alphabet - Writing technique using symbols to express single syllables and consonants.

  A writing system that developed out of the North Semitic alphabet and was spread over the Mediterranean area by Phoenician traders. It was adopted by the Greeks and added vowels.