imac always slow the network when connected with windows linked computer in the network
You do not make the iMac, Apple does.
The original iMac personal computer was the iMac G3. This model was released in 1998 and discontinued in 2003. One can purchase a used iMac G3 on eBay or Amazon.
One can see old iMac Commercials in Youtube which features the different types of commercial about old iMac such as All Mac vs. TV adds, Apple iMac vs. HP, and iMac G3 starting up.
Millions of people have an iMac. Lots of us have more than one.
No, an iMac G3 is an all-in-one computer.
iMac
One can read Apple iMac reviews online at various websites. One can read Apple iMac reviews online at websites such as CNET, TechRadar, and Computerworld.
You can buy a variety of prices for an iMac based upon the model version and the company selling the iMac. One example would be the iMac MD093B is _‚£1099 from the John Lewis website which is available on ebay for only _‚£965.
The iMac is an all-in-one computer. The monitor and computer are all in one unit. The only other hardware you need is a mouse and keyboard.
After using a Windows computer for over six years I switched to the Apple iMac. I have been using this iMac for almost 5 years without one single problem or one single crash. I love my iMac and would never ever go back to a Windows computer.
I think the oldest imac I recommend is the iMac g4 (only if it's running tiger) you could purchase one on eBay for about £65
The current iMacs only come in one color, if you are looking for previous models of the iMac, I would suggest looking on the Wikipedia page for the "History of iMacs".