निम्नलिखित में से कौन सा उपकरण कंप्यूटर द्वारा उत्पादित परिणामों को मानव-पठनीय या हार्ड-कॉपी रूप में परिवर्तित करता 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?