It's like your own contacts database that has handy W-RW device. You can operate as much information as your HDD provides - your mobile phone will keep only important information and collect updates every day with you.

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So why would I compare a car manufacturer to an appliance maker? And what heck does any of that have to do with your computer?

When people ask me to either upgrade or repair their laptop, I usually tell them to take it to an authorized dealer, wait 6 to 8 weeks and be prepared to take out a second mortgage. I'm just kidding, but only a little bit.

Of course you can replace parts in a laptop like you can any other PC, but point I'm trying to make is that desktops and laptops are fundamentally different.

Ok, smarty-pants, we both know that laptops were designed to be ultimate, portable computing tool for road warriors, students and other mobile users. And desktops, on other hand were made to be stay-at-home workhorses.

The point I'm trying to make is that desktop computers (either a true "desktop" model or a floor-base "tower") are designed like cars and can be easily modified and upgraded with common after-market parts. This is called "open-source" since any hardware producer using standard sizes and configurations can sell their components and be assured that it will fit inside any industry standard computer.

Laptops are designed to be more like a household appliance than an automobile. Sure you can upgrade a laptop but all parts are habitually proprietary or custom made for that laptop manufacturer to fit inside that specific model. With exception of memory or RAM and hard drive (which is still smaller than a typical desktop hard disk) often only other "standardized" items are connector ports on back and sides for phone jacks, mice or printers.