Here’s a look at the most expensive PCs in computing history

Digital storage gets small (and huge) From the room-size monster that cost a king's ransom to the diminutive device that today costs just a few bucks, the evolution of the hard drive is an amazing story of an industry that's continually delivering more for less.

Tethering is the act of sharing your phone’s mobile data connection with another device — such as your laptop or tablet — connecting it to the Internet through your phone’s data connection. There are several ways to tether on Android. Tethering is useful when you’re somewhere where you don’t have Wi-Fi access, do have cellular data access, and want to do something on your computer instead of your phone. But you may pay extra for the convenience.

Some routers have a Wireless isolation, AP Isolation, Station Isolation, or Client Isolation feature that allows you to lock down your Wi-Fi network. This feature is ideal for businesses with public Wi-Fi networks or anyone who’s just a bit paranoid.

In computer networking, AP is an abbreviation for access point. An access point, or wireless access point, is a device that permits mobile devices, such as laptop computers and personal digital assistants, to connect wirelessly to a wired computer network. AP isolation is a technique for preventing mobile devices connected to an AP from communicating directly with each other.

Every PC user sees the BIOS screen,

BIOS explained    

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