What is an extended desktop?
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You can extend your desctop on the second monitor if you have one. This way the second monitor will not display just a copy of the primary one, but there can be placed individual windows there and etc. The only limitation is that you cannot have different background picture on each of them :)
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OLE Control eXtension
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There are many different names for categories of comptuers, common ones are PC for 'personal computer', and mainframe, which refers to a computer historically large and to which multiple different people use at the same time with multiple sets of keyboard/monitor pairs ('terminals').  See the article below for much more info than would be prudent for me to type.
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well you dont need to keep your desktop but its handy if your laptop ever messes up you'll still have a computer.\n\n(PS) if you leave your laptop on over night it wont over heat because i have a laptop and i leave it on over night defraging and other stuff
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http://www.desktopia.com/
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yes, you can run multiple desktops. It's called a dual boot. There are many of them. There is also a version of Linux called Knoppix that will boot from a cd.
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Landesk is one of the best tools for desktop management.  It can do just about anything.
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It is basically like having an extra screen area on one screen. It allows you to have:\n\nthe full-screen views of two applications at once, one on each screen, or\n\none full screen view spread across the two monitors. \n\nThe latter is convenient for instance when you have 100 columns on an Excel spread sheet. You don't want those columns to be squished into one monitor.
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Starting with your second question, a desktop will last you longer, it can be upgraded more, you can change the motherboard, processor, graphics, sound card, everything.  With a laptop your pretty much stuck with what you get, though you can add memory and upgrade the hard drive but that's about it.\n\nI'd go for the desktop for performance reasons, of course I have three desktops and two laptops.  I go for mainstream laptops and I just build my own desktops for performance.
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Firefox Extensions/Add-ons are extra functionality that can be easily added or removed as required. Extensions are written by individuals who come up with ideas of new features and how to implement them.\n\nFireFox has one extension called SessionSaver. It will remember all your tabs and restore them on your next session. It will remember them after you close or even if FF crashes. It will still bring up all your tabs.\n\nhttps://addons.mozilla.org/extensions/moreinfo.php?application=firefox&category=Tabbed%20Browsing&numpg=10&id=436\n\nI am sure there will be more extensions with similar features. If you want to explore an different extension, check out the Tabbed browsing section:\n\nhttps://addons.mozilla.org/extensions/showlist.php?application=firefox&category=Tabbed%20Browsing
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I think 14" or 12" are the best.\n\nBigger spoils the utilities as laptop- then rather call it desktop.\n\nor smaller, you wont able to enjoy animations on a very small screen.
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If you have XP, you can create login id's for each person that you will allow to access the pc.  When that person logs in, a profile is created.  This means when they create desktop shortcuts for applications, it will show up when they login.  You can't just install software and not show up in the Programs list.\nTo setup logins, open Control Panel and select users and create a new account.  Make sure that user has to enter a password if they want their data protected.
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one (major) difference between mac and windows desktops is the file system running underneath the operating systems.\n\nwindows uses the NTFS (or *occasionally* fat32) filesystem:\nhttp://en.wikipedia.org/wiki/Ntfs\n\nand mac computers use the HFS filesystem:\nhttp://en.wikipedia.org/wiki/Hierarchical_File_System\n\nread the above and get a vague understanding about the difference then repeat it - it's a bit more in-depth than 'apple has an apple and windows has a start button' - you'll sound like a professional lmao
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ok step by step \n1 right click on desktop and select properties\n2in the box that pops up click the desktop tab\n3on the right where it says position chose center,  or if u want it stretched to fit  choose stretch
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Set a virtual desktop and change the resolution to one of them. Microsoft has a fairly nice and free utility to do this called Virtual Desktop Manager.
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Yea, there is a special version called google desktop you need to download.
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1) Click over your Desktop with the Right mouse button.\n2) Click on Properties\n3) Click on Configuration\n4) Click on Advanced Properties.\n\nThere must be an option for changing it back, some "funny" person must have done this to you.