A logic gate with inputs A and B gives an output of 1 only when both inputs are 0. For all other input combinations (01, 10, 11), the output is 0. Which logic gate does this represent?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?