1 From the secondhand account, the reader gets more background information about what the Oregon Trail was. 2  From the firsthand account, the reader gets a better understanding why it was so dangerous.
Printers generally age more by the number of pages printed rather than by pure years. The rule of thumb has always been whatever the recommended volume is (for instance 5000 pages per month for a P3005) multiplied by say five or six years so about 300,000 pages would be the life expectancy of the printer.
How Long Do Desktop Computers Last? When you fork out a bunch of money for a new desktop computer, you expect it to last for the long haul, right? The average life span of a desktop computer is about 3-5 years. There are many variables that can reduce the life span though, such as how much you use it and how hard you push it, environmental heat and humidity, dust, and insects. Yes, your computer can really have bugs!