History Of Computers

History of Computers From the earliest times the need to carry proscribe countings has been developing. The origin steps touch on the development of counting and tally aids such as the counting board and the abacus. Periods and lengthiness of computers Four Periods| Generations| Pre-mechanical Age ( 3000 BC 1450 AD ) | 0th Generation| automatonlike Age ( 1450 1850 )| 1st Generation( 1951 1958 )| electromechanical Age( 1840 1940 )| 2nd Generation( 1959 1964 )| Electronic Age( 1941 besides )| 3rd Generation( 1964 1972 )| | 4th Generation( 1972 leave )| | 5th Generation( present & vitamin A; beyond )| Periods of Computers Pre-mechanical Age First macrocosm communicated through speaking uncomplicated drawings knows as Petroglyths (signs or figures cut in rock), these are pictures or sketches that visually resemble that which is depicted. umpteen of these are Pictographs -pictures or sketches that visually resemble that which is depicted. * Ideographs Geometric signs (dots, squares, etc.) with no apparent depicted intent lens = ideographs ( symbols to represent ideas or concepts.) * First development of signs gibe to verbalize sounds, instead of pictures, to evoke words. * Starting 3 coulomb B.C.

, the sumerians in mesopotamia (Southern Iraq) wedge-shaped the first true write language and the first accepted learning system. Pronounced coo-nay-eh-form. * Pictographs were glowering on their sides and eventually became cuneal symbols. * The Greeks subsequent adapted the Phoenician alphabet. * Sumerians input technology was a vogue that could scratch label in wet clay. * 2600 B.C., Egyptians wrote on the written report plant plant. * 100 A.D., Chinese made paper from rags on w/c modern day paper-making is based. * nearly 600 B.C., the Greeks began to fold sheets of papyrus straightly into leaves and bind them together. * Egyptian administration: The numbers 1-9 as vertical lines, the number 10 as U or circle, the number...If you destiny to get a complete essay, order it on our website: Ordercustompaper.com

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