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Everyone is familiar about the term SIM (Subscriber Identification Module) which means small card slides into the back of many smartphones available in the market. Basically, it acts as an official identifier which depicts that your mobile phone belongs to you.

As soon as you experience a non-working defective hardware, you will definitely consult your Device Manager to check out the issue. What if your Device Manager depicts an unpleasant behavior by refusing to show any device attached to your computer.

This article Learning Guide on How to Setup a Network was written to help those technical and non technical people to setup a basic networking and to help them also to learn how data's are transmitted into network. This article also consists of basic OSI layer model information and network topology, and also the disadvantages and advantages of each network topology.

I wrote this article Computer Manual a guide for Computer Disassembly to help out technical person or even non-technical person to learn how to do computer disassembly on their own. And of course I know that not all computers have the same type of computer housing or casing and they are fabricated in different sizes.