Questions

The repeated execution of a loop of code while waiting for an event to occur is called busy-waiting. The CPU is not engaged in any real productive activity during this period, and the process does not progress toward completion.

When the OS at the explicit request of another process creates a process, this action is called process spawning.

Gross domestic product (GDP) is the monetary value of all the finished goods and services produced within a country's borders in a specific time period.

Simply, GDP is a broad measurement of a nation’s overall economic activity. 

It is calculated by summation of Consumption, investment, government purchases, and net exports.

The process of extensive planting of trees or seeds in barren lands to increase forest cover is called as Afforestation.

Oligarchy is a form of government in which the power rests with the small group of people.