Questions

Kelvin temperature scale is the temperature scale that is based upon absolute zero.

A person who does not believe in any religion or god is called as Atheist.

When exports are greater than imports, net exports are positive and similarly, when imports are greater than exports, net exports are negative.

When a country imports goods, it buys them from foreign producers. The money spent on imports leaves the economy, and that decreases the importing nation's GDP.

The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.

The address bus is unidirectional because the address information is always given by the micro processoe  to address a memory location of an input / output devices.