Questions

Pound Sterling is the official currency of United Kingdom.

-> Renminbi is the currency of China.

-> Euro is the currency of 19 countries like Spain, Austria, Finland, Italy, Germany, Greece, Belgium, etc...

-> Dollar is the currency of United States.

Vatican City

The Planning Commission was an institution in the Government of India started by Jawaharlal Nehru, The First Prime Minister of Independent India, in the year 1950. Later, this was replaced by NITI Aayog in 2015 by now and than Prime Minister Narendra Modi to ensure implementation of the Sustainable Development Goals by fostering the involvement of State Governments of India in the economic policy-making process.

NITI Aayog means National Institute for Transforming India. Narendra Modi is the Chairman of NITI Aayog.

The system unit of a personal computer typically contains microprocessor, disk controller and serial interface but it does not contain modem.

Footsteps. 

Yes, as you walk forward, you will leave the footstep behind you.

A postage stamp on the letters, parcels, ... for post will be on the corner of the post but it travels around the world to any address we want send that.

Distributed systems work in a network. They can share the network resources,communicate with each other.