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You are here: Home / Mail Archive / Why does your computer makes sound?

Why does your computer makes sound?

January 5, 2015 By Øyvind Nydal Dahl Leave a Comment

Getting an ideaBrr….

I woke up in a freezing room today.

But it’s a new year, and I am excited to see what it has to offer. So, I got myself out of the bed. And I am now ready to take on the world =)

One topic that I thought could be interesting for those who are complete newbies, is why the computer makes sound.

When I was younger I thought about this. Especially when the computer was working hard, it made this clicking sounds. As far as I knew, electronics didn’t have any moving parts, so – how could it make sounds?

What I didn’t know at the time, was how a hard drive is made.

A hard drive is made up of a spinning magnetic disc, and an arm that goes back and forth to read and write data on the disc. And this makes a clicking sound.

These days, we also have the Solid State Disc (SSD) which does not contain any moving parts. But still, I think the old disc type is the most common.

I hope you have had a good start on the new year, and are ready to build some interesting things this year!

If you need a jump start into building electronics, you can check out my eBook «Getting Started With Electronics»:

https://www.build-electronic-circuits.com/products/getting-started-with-electronics

Keep on Soldering!
Oyvind

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