Questions

First Generation  Vacuum Tubes (1940-1956)

The first computer systems used vacuum tubes for circuitry and magnetic drums for memory

The Council of States (Rajya Sabha) is composed of not more than 250 members, of whom 12 are nominated by the President. The twelve members are chosen by him from among persons having special knowledge or practical experience in literature, science, art, and social service. The Constitution thus adopts the principle of nomination, for according distinguished Indians a place in the Upper Chamber (Rajya Sabha) of Parliament.

Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

Hence, when Ionic bonds are formed metallic atoms tend to lose electrons and become positive ions

Size of the primary memory of a PC ranges between 256 KB to 640 KB.