Anything sold as 'used' - is sold 'as seen' no matter what the condition is. Anything sold 'refurbished' has had any defects (cracked or scratched screen for example) repaired or replaced.
There is a huge difference between a refurbished item and a used item. A used item was once owned by another and is sold as is. A refurbished item is one that has been cleaned up and fixed, sometimes by the original manufacturer.
A refurbished oven has all its working parts replaced (burner, ignition, temperature sensor). A new oven has never been used or installed.
The Apple website has a section for refurbished websites, so check that out. You may also want to look on Amazon.com, where many pre-owned iPads are being sold.
The website discount-shopper is not a web store, it is a link repository. All purchases go through an affilate program with Amazon.com. It appears that only the first generation models would be used or refurbished models.
Refurbished laptops can be purchased online at the Apple Store on Apple's website. There is a link in the sidebar, which will then show all the options for refurbished iPads, iPhone, Macbooks, and iMacs.
A used tire is a tire that has been used on a vehicle before. Retread tires are different in that they have been used before, but then they went through a process that extends their life. Retread tires are kind of like "refurbished" tires.
Yes, Wal-Mart has some good deals on laptops. However other stores which specialize in electronics such as Best Buy may have better deals. Many good laptop deals are also available online at Amazon.com, Dell.com, Overstock.com and others.
http://www.ipadaccessories.com/general/finding-used-iPads-discount-iPads-and-iPads-on-sale/ or check ebay.com that is the main source. or http://usedipadoutlet.com/top-iPad-accessories.html
You can buy iPads from Apple stores or from their website. Other retailers also sell the iPad such as Best Buy and Walmart. You can also buy used iPads from eBay and amazon.
iPads cannot be used with an Anti Virus software. In fact, they are virus free. Do keep in mind iPads can be hacked but not via the internet.
Actually, refurbished mini notebooks can be quite affordable if you are on a budget. It is also best to get electronics refurbished rather than used since they have to meet certain standards after being refurbished while used electronics are a bit riskier.
There is no difference between them, it can be used interchangeably.