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“The First Computer” was not a computer at all, but was a mechanical machine, using levers and gears called the Analytical Engine.

The infrastructure of Fiber Optics consists of a line of glass material known as silica used to transfer light from one end of the wire to the other. Because of how silica in this form refracts light, these light signals can be sent over 40 miles without the data being affected.

But oh no! You’ve made a mistake, the power of hotkeys can be intoxicating, and you’ve moved too fast, what will you do? The Undo operation is there to help you save yourself and can be performed with Ctrl+Z.

Hacking – to gain unauthorized access to data in a system or a computer.