एक पूर्ण ऑपरेटिंग सिस्टम जो डेस्कटॉप कंप्यूटर, नोटबुक कंप्यूटर या मोबाइल कंप्यूटिंग डिवाइस पर काम करता है, उसे किस प्रकार का ऑपरेटिंग सिस्टम कहा जाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?