The iMac uses an Intel Core 2 Duo processor which is a 64 bit processor.
The Apple Imac is a good laptop with many versions available to suit each customer's needs. They do not play CD-roms but have a lot of similar features to other laptops otherwise.
There are many pictures of Macs on the Apple website... (The image you are probably looking for would be of a Mac Pro or an iMac)
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An iMac 24 inch screen can be purchased directly through Apple. One can order directly from the Apple website or visit a store in person. Amazon has many listed for sale as well.
Probably nowhere, since it's been out of production for many years.
The Apple iMac comes with iChat Instant Messaging software. You can download other IM software such as Microsoft's Messenger or Adium (See links below) which will connect to many IM services.
The iMac was first released in August of 1998.
An iMac can be purchased for less than $1000. There are many stores that sell Apple products other than the Apple Store: For example: Abt Electronics, Amazon, Best Buy, B&H Photo-Video, Circuit City, eCost.com, J&R, MacConnection, Newegg.com, PCMall, MacMall, Office Depot, Computers4SURE, and TechDepot all sell some Apple products. Private sellers often sell on eBay.
The same way you work on any all-in-one computer be is Mac or Windows. YouTube has many videos showing how to take an iMac apart.
There are many things that were invented in the 90's. Some examples of these items are, a Blackberry, the World Wide Web, Apple IMac, and a Boeing 777.
All modern computers from Apple has a 64 bit CPU. Mac OS X is also a fully supported 64 bit Operative System.
Some of the inventions of Steve Jobs include Apple III (1980), iMac G3 (1998), USB Mouse (1998),iPod (2001), and many others.