Questions

Main memory - only large storage media that the CPU can access directly.

Secondary storage - extension of main memory that provides large nonvolatile storage capacity.

A Unicode character requires between one and four bytes of storage, depending on the encoding format used. Hence, a character requires one byte of storage.

Extensive plantation of trees to increase plants count is called Afforestation.

Demography is the scientific study of Birth and death, The well being and the Growth of population. In brief, it is the study of human populations based on their size, composition and distribution across space – and the process through which populations change.

It was Mount Everest. It was not discovered yet but it was the highest mountain on the Earth.