Questions

Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information.

Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory.

Chemically marble is known as Calcareous rock as it is composed of carbonate minerals like calcite or dolomite.

Plants developing in dry conditions are called as xerophytes.

Yeast belongs to members of the Kingdom Fungi.

Yeast are single-celled microorganisms that are classified, along with molds and mushrooms in Fungi family. 

Yeasts are evolutionally diverse and are therefore classified into two separate phyla, Ascomycota or sac fungi and Basidiomycota or higher fungi, that together form the subkingdom Dikarya.

Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.

in 8085 the interrupts are classified as Hardware and Software interrupts.

The National Association for the Advancement of Colored People (NAACP) is a civil rights organization in the United States, formed in 1909. 

 Du Bois, Moorfield Storey and Mary White Ovington and some more in the group helped to form NAACP.