00:00 The first computer, a mechanical device made of gears and levers, was able to perform mathematical calculations and run simple programs.

01:52 Charles Babbage, a mathematician and engineer, had the idea of creating a device that could perform flawless calculations, which led to the creation of the difference engine.

03:29 Charles Babbage received a government grant to fund the creation of the difference engine, which had 25,000 parts and could calculate 20-digit numbers and 6th order equations, but due to financial constraints, only a fraction of the original design was completed, leading Babbage to design a second difference engine with 8,000 parts that could store previous results and print them on a metal plate, although this second engine was never built during his lifetime.

05:08 Babbage came up with the idea for a more advanced computer called the analytical engine, which had the basic components of a modern computer and could run programs, and he planned for it to have a memory that could store numbers as large as 1,050 digits.

06:49 Ada Lovelace, often called the world's first computer programmer, worked in collaboration with Babbage and had ideas that went beyond what he was considering for a computer, including the possibility of the engine composing music, and she was widely responsible for publicizing and raising the profile of the analytic engine.

08:33 Babbage's plans for the machine are difficult to decipher, but his work has significantly impacted the development of computers and computer science, with electronic computers being based on the models outlined in his analytic engine.

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