In a world where computers have become an essential part of our daily lives, it is fascinating to look back and discover the origins of these remarkable machines. The first computers were not as sleek and compact as the laptops and smartphones we use today. In this article, we will explore the size and dimensions of the world’s first computer, uncovering the questions and answers surrounding its colossal structure.

What was the name of the first computer?

The world’s first computer was called the Electronic Numerical Integrator and Computer (ENIAC). Developed during World War II at the University of Pennsylvania, the ENIAC played a pivotal role in performing complex calculations, aiding the war efforts.

How big was the ENIAC?

The ENIAC was an enormous machine by today’s standards. It occupied a space of about 1,800 square feet, equivalent to the size of a small house. Its massive structure was comprised of 40 panels, each measuring 2.25 meters tall, 0.9 meters wide, and 30 centimeters thick.

How much did the ENIAC weigh?

The sheer weight of the ENIAC was staggering. It weighed around 27 tons, which is equivalent to the combined weight of approximately four adult male elephants!

What were the power requirements for the ENIAC?

To operate the ENIAC, an enormous amount of power was needed. It consumed about 160 kilowatts, requiring dedicated electrical connections and circuits. This power demand was so high that it caused temporary power outages in the surrounding areas of the University of Pennsylvania whenever the computer was turned on.

How many vacuum tubes were used in the ENIAC?

The ENIAC utilized an astounding 17,468 vacuum tubes. These vacuum tubes were vital in processing and controlling the flow of electrical signals through the machine. Vacuum tubes were the primary technology used in early computers and were later replaced with transistors and integrated circuits.

How fast was the ENIAC?

Despite its massive size, the ENIAC was not as fast as today’s computers. It could perform about 5,000 additions and 100 multiplications each second. While this might seem slow now, it was a considerable improvement compared to manual calculations that would have taken a significant amount of time.

How was data input into the ENIAC?

Inputting data into the ENIAC involved an intricate process. Programmers used a series of switches, cables, and plugboards to provide input instructions and data. These inputs would then be transmitted through the numerous circuits, allowing the ENIAC to perform calculations and generate results.

The first computer, the ENIAC, was an awe-inspiring and monumental machine, both in terms of size and capacity. Its massive size, weight, and power requirements make it almost unimaginable in the context of today’s computers. The ENIAC laid the foundation for the remarkable advancements in technology that we witness today. From occupying a large room to fitting in the palm of our hands, our journey through the evolution of computers is a testament to human innovation and ingenuity.

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