Write a short note ENIAC.
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Answer:
ENIAC (Electronic Numerical Integrator And Computer) was the world's first general-purpose computer.ENIAC was designed and built for the United States Army to calculate artillery firing tables. However, it wasENIAC's power and general-purpose programmability that excited the public's imagination.
Answer:
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Explanation:
ENIAC (Electronic Numerical Integrator And Computer) was the world's first general-purpose computer. ENIAC was designed and built for the United States Army to calculate artillery firing tables. However, it was ENIAC's power and general-purpose programmability that excited the public's imagination.
Although ENIAC was designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory),[6][7] its first program was a study of the feasibility of the thermonuclear weapon.[8][9]
ENIAC was completed in 1945 and first put to work for practical purposes on December 10, 1945.[10]
ENIAC was formally dedicated at the University of Pennsylvania on February 15, 1946 and was heralded as a "Giant Brain" by the press.[11] It had a speed on the order of one thousand times faster than that of electro-mechanical machines; this computational power, coupled with general-purpose programmability, excited scientists and industrialists alike. The combination of speed and programmability allowed for thousands more calculations for problems, as ENIAC calculated a trajectory in 30 seconds that took a human 20 hours (allowing one ENIAC hour to displace 2,400 human hours).[12] The completed machine was announced to the public the evening of February 14, 1946 and formally dedicated the next day at the University of Pennsylvania, having cost almost $500,000 (approximately $7,150,000 in 2020 dollars; inflation-adjusted). It was formally accepted by the U.S. Army Ordnance Corps in July 1946. ENIAC was shut down on November 9, 1946 for a refurbishment and a memory upgrade, and was transferred to Aberdeen Proving Ground, Maryland in 1947. There, on July 29, 1947, it was turned on and was in continuous operation until 11:45 p.m. on October 2, 1955.