How to monetize Facebook page.  Now you can earn money from Facebook. Upload a video on Facebook page and earn money by putting ad...

What is Operating system (OS)?  Operating system (os)  Operating system is also called ' OS ' and system software, The ...

What is e-SIM card?  e-SIM The e-SIM (embedded SIM) , also called embedded SIM card, virtual SIM , electronic SIM , or remote , ...

What is Mobile data?  Mobile Data Mobile data is Internet content delivered to smartphone devices, such as smartphones over a wi...

What is Network?  Network  A computer network is a set of devices interconnected with each other through a medium, which exchang...

What is VPN (virtual private network)?  VPN (virtual private network)  At first you should know why we use VPN . We use VPN to prot...

What is iris scanner or sensor in mobile?  iris scanner  First of all you should know what is iris .  Iris -  The circular, colore...