Answer: C) Both A & B Explanation: Secondary storage therefore needed because it is non-volatile, meaning it retains its contents without the need for a power supply. It also has the large storage capacity needed to store the operating system and all the programs and files needed by a modern computer system.

The correct answer is Mahatma Gandhi. Young India was a weekly paper or journal in English published by Mohandas Karamchand Gandhi from 1919 to 1931.

1. All the economic activities done for livelihood in which currencies are exchanged directly or indirectly are called industries.

2. The oldest and most organized industry of Rajasthan is cotton textiles.

3. The first cotton mill in India was established in 1818 at Dhusari, Calcutta, while the first cotton mill in Rajasthan was established in 1889 at Beawar, Ajmer, The Krishna Mills.

4. Bhilwara district in Rajasthan is the main centre of the cotton textile industry, hence it is called the Manchester of Rajasthan.