In 1956, 5MB is needed to be escorted through the plane and is actually big enough to fit a plane. Now, I could hold a 1GB in the palm of my hand. How did we become so high tech that we don’t even need our storage to be the size of a kid’s homemade castle box?
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Storing data works by storing two different states in a way that can be read.
In the past we were pretty bad at this, we used cards that either had a hole or didn’t have a hole in specific locations a machine could read. Each page could only hold a few bits of information.
Then we started storing it on magnetic tape or disks and reading that with a reader head. These tapes or disks essentially place the “holes” far closer together. The holes being an electrical charge. HDDs are basically just the results of a ton of improvements in this.
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