Laptop or PC which is better for longer sittings and what are the limitations of prolong usage of both.

For longer work, it is better go with desktop computer than a laptop. Buy laptop only if you want to work while you are one the move. Laptop is designed for people on the move, that is low of components squeezed into small place, price is customer get small keyboard, small monitor compared to desktop computers. Working on small screen and keyboard for long period can be annoying and even create health problems.

Given an identically-priced laptop and desktop, the desktop will perform much better than the laptop. Additionally, desktops are better at handling upgrades. Things like extra memory, more drive space or multiple optical drives: These will all perform better and be cheaper on the desktop.