On July 1, 1937, the first ever computer was made. It was called the Mark 1 and it was made by IBM.

The Mark 1 was a huge machine. It was over 8 feet tall and took up a whole room. It had over 1,000 parts and weighed over 1 ton.

The Mark 1 was used to do mathematical calculations. It could add, subtract, multiply, and divide. It could also solve equations.

The Mark 1 was very slow. It could only do about three calculations per second.

Despite its shortcomings, the Mark 1 was a groundbreaking invention. It was the …