You should buy your computer to last for atleast five years. Then only there is a meaning in buying in computer. When you are buying a good laptop or computer you spend a lot of money. There should be a meaning in spending that amount of money.
3 years
If you buy a desktop/tower and treat it well, it can last for 10-15 years.
The Better you take care of them, The Longer they last.
A furnace should last 35 years, many companies offer a ten-year warranty.
Chevy Impalas can last a long time if it is well maintained. It should last for 180,000 miles. The number of years will depend on how much its driven.
The Xerox Palo Alto Research Center, or Xerox PARC, is the lab where many of the seminal computer and networking technologies were developed over the last 30 years.
About 2 years but the miles you drive will matter more.
12 years
Provided they are not 'abused' - they can last for many years. The only 'down-side' is they will need updating to keep pace with new technologies as they are developed.
the Leo last around 2165 years.
Computer
There have been six leap years in the last 25.