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On March 15th 2012, we started sharing once a week with all our friends a series of interesting articles regarding "the computer field".

What is "Storage Cloud" but what is this cloud really? We found a great article about it, check it out http://www.storage-switzerland.com/articles/entries/2009/11/18_what_is_cloud_storage.html

The Apple iCloud ...Why? Because almost every young person, as well as not that young, has at least one Apple's gadget or computer at home. Check thishttp://www.macstories.net/stories/icloud-the-future-of-apples-ecosystem/

The concept of "Google documents". If you have a Google account, like Gmail, then there is a space assigned in the Google server that allows you to upload your documents, written letters, forms, spreadsheets, presentation videos and more; to share them later, if you want or just keep them and access them online, from anywhere. This is called Google documents. 
Check this article for more details http://www.davidneedham.net/blog/archives/2009/8/20/why-you-should-use-google-docs

Here is a link to Google Documents tutorial, in case that you are interested in how to start using this online feature..
https://sites.google.com/site/gdocswebquest/

...Perhaps we started with a quite complicated concept the Storage Cloud, at the beginning, that's why we want to include the concept of "computer storage device" & "data storage". Every personal computer, tablet, cell phone, MP3 player, gaming console, DVR, or other electronic equipment has some kind of "data storage" device. Check the following links to find out more: 
http://www.computerhope.com/jargon/s/stordevi.htm

"computer data storage" concepthttp://en.wikipedia.org/wiki/Computer_data_storage

 lets talk a little about "system memory". All computers have 2 main types of memories. The primary also called RAM (Random Access Memory) and the secondary memory which are the physical devices such as Hard Drives, CD's, or DVD's. Click the following link to read more on Wikipedia about it http://en.wikipedia.org/wiki/Computer_memory

It is probably a good idea to talk about a computer CPU, or processor, now. The Central Processing Unit (CPU) is the part where all actions are performed. In other words, it is the brain of the computer. Without a CPU the computer can't do anything at all, which is why the specs. of a CPU, such as speed and internal memory, are vital for the overall performance. Click the following link to learn more
http://courses.cs.vt.edu/csonline/MachineArchitecture/Lessons/CPU/Lesson.html

the GPU Graphics Processing Unit which is the microchip that controls the images shown on the screen. That's why the GPU capabilities determine the quality of the images and the speed at which they at reproduced. Check the following link below to find out more 
http://en.wikipedia.org/wiki/Graphics_processing_unit

Probably more than once you've asked yourself what is the difference between a DVD and a Blu-ray disk? Well the difference is that it uses a different laser wavelength (blue) instead of the red DVD laser. Blu-ray discs can hold 50gb on a dual layer disc, which is over 10 times the storage capacity of a standard DVD (single layer 4.7, double layer 8.7). Due to the larger storage space on these discs, Hollywood movie studios are able to release films in high definition complete with fully interactive menus, network integration, and all sorts of interactive bonus features. Blu-ray format is the first High Definition disc format available for home use. Check the following article, you'll find very interesting and detail information http://dvd-players.toptenreviews.com/hd-and-blu-ray/the-difference-between-dvd-and-blu-ray.htm

Now days everybody uses different USB devices, but what USB means how many types are there? USB stands for Universal Serial Port. Which has become the most commonly used way to connect peripheral devices to a computer. Your mouse, printer, digital camera, scanner, and other devices like MP3 players and cell phones all connect to your computer via a USB port. Many memory storage devices, such as portable hard drives, flash drives, and memory card readers, also connect to a computer via USB. The most common types are Type-A in computers, Type-B in printers & scanners, mini cell phones & cameras, micro some MP3 players, and finally proprietary (which belongs to certain brand or company). To find more click on the link http://www.ehow.com/facts_5006074_types-usb-connectors.html