Modem Router TP Link TD-W8980 600mbps Dual Band Two USB Gigabit

Modem Router TP Link TD-W8980 600mbps Dual Band Two USB Gigabit
Rs.7,152

Buy Modem Router TP Link TD-W8980 600mbps Dual Band Two USB Gigabit at All India Low Price.

What is the difference between a Windows / Dos / Ubuntu Laptop ? Which One Should I Buy ?

Windows, Dos or Ubuntu are basically operating systems, software part of the laptop. It is just that Genuine Windows Come at a Price ( say around Rs.5000) So Laptops with Windows Pre-loaded are a few thousands more expensive than the laptops which do not come with windows pre-loaded.