ENIAC's (Electronic Numerical Integrator and Computer) Doctor Visit

🛠️ What Was ENIAC?
ENIAC stands for Electronic Numerical Integrator and Computer. It was the first programmable, general-purpose electronic digital computer, completed in 1945 and publicly unveiled in 1946.

🧠 Why Was It Built?
Purpose: Originally designed to compute artillery firing tables for the U.S. Army during World War II.

First Use: Ironically, its first real task was a feasibility study for the hydrogen bomb.

🧑‍🔬 Who Built It?
Designers: John Mauchly (physicist) and J. Presper Eckert (engineer).

Institution: Moore School of Electrical Engineering at the University of Pennsylvania.

Support: Funded by the U.S. Army Ordnance Department under the direction of Herman Goldstine.

Contributors: Included computing pioneers like John von Neumann, Arthur Burks, and Betty Snyde.

⚙️ How Did It Work?
Technology: Used 18,000 vacuum tubes, 1,500 relays, and 6,000 switches.

Size: Occupied a 1,500-square-foot room and weighed 30 tons.

Speed: Could perform 5,000 additions or 357 multiplications per second—about 1,000 times faster than previous electromechanical machines.

Programming: Required manual rewiring via plugboards, making reprogramming a time-consuming process.

🏛️ Legacy and Impact
Turing-Complete: Capable of solving a wide range of numerical problems through reprogramming.

Influence: Paved the way for modern computing and helped shift the term “computer” from a job title to a machine.

Retirement: Operated until 1955, when it was decommissioned after a lightning strike..

🧩 Fun Fact
ENIAC was often called the “Giant Brain” by the press and was a marvel of its time, even though it lacked features like stored programs that define modern computers
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