2GB Module Apple IMac 3.1GHz Intel Quad-Core I7 - (21.5-inch) (Late 20

RAM - Random Access memory

2GB - 2 Gigabytes

Inch - Equivalent to approximately 2.5cm

Warranty - A service provided by the retailer or manufacturer to ensure a device works for a period from new

Intel - World leaders in silicon chip development and manufacture. Chips for Laptops, desktops and mobile devices. Their main competitor is AMD (Advanced Micro Devices)

Quad - Multiple items, meaning four

Warranty - A purchasers guarantee from the manufacturer for replacement/fix of goods when faulty.

Memory - A way to describe the way in which the brain can remember things.

Offtek are an online supplier of a range of memory products and upgrades. If you need to purchase memory for any of your products, then Offtek is the place to visit. They sell memory for laptops, desktops, printers, servers, motherboards, netbooks, cameras, routers, digital cameras and mobile phones. They sell options such as SD cards, micro SD cards, multimedia cards, memory sticks and USB drives. They also stock portable hard drives, USB card readers and flash modules. With so many memory options available, Offtek also stock some of the best and reputable brands. You can choose from Acer, Apple, Dell, HP, Sony and Toshiba. They also offer a search function on their website which tells you the correct type of memory you need to purchase for your products. Offtek describe themselves on being able to offer high quality memory options at competitive prices.