Questions

The Japanese national anthem, "Kimigayo", has the oldest lyrics, which were taken from a Heian period (794–1185) poem.

Static RAM: no refreshing, 6 to 8 MOS transistors are required to form one memory cell, information stored as voltage level in flip flop. 

Dynamic RAM: refreshed periodically, 3 to 4 transistors are required to form one memory cell, information is  stored as a charge in the gate to substrate capacitance.

Historians divide the ancient history of Egypt into three periods. the Old Kingdom, the Middle Kingdom and the New Kingdom. The Old Kingdom is called the Age of the Pyramids.

Digboi, in Assam is where the oldest oil refinery in India. It was build in 1901.

Fluoride deficiency is a disorder which may cause increased dental caries due to a lack of fluoride in the diet. Dental caries or tooth decay is the breakdown of dental tissues by the acidic products released by the "bacterial fermentation of dietary carbohydrates”

The Theme of National Press Day 2017 is "Challenges before media".