What are the main types of Operating system

Explanation: On August 20, 1828, the first assembly of the Brahmo Sabha was held at Kolkata (Calcutta). This Sabha was convened by religious reformer Raja Ram Mohan Roy for his family and friends settled there. Brahmo Samaj is the monotheistic reformist movement of the Hindu religion that appeared during the Bengal Renaissance.

Explanation: Article 3 assigns to Parliament the power to enact legislation for the formation of new States. Parliament may create new States in a number of ways, namely by (i) separating the territory from any State, (ii) uniting two or more States, (iii) uniting parts of States, and (iv) uniting any territory to a part of any State.

Explanation: Indian Constitution is both a flexible and rigid form of constitution because in some cases it requires a simple majority of people for passing an amendment and in some cases, it requires the majority of people to pass the amendment.

Explanation: The Regulating Act of 1773 abolished the administration system in India. This was the first step taken by the British government to control and regulate the affairs of the East India Company in India, as well as the first time the Company's political and administrative functions were recognized.

Explanation: On November 27, 1895, Alfred Nobel signed his third and last will at the Swedish-Norwegian Club in Paris.