Order is a reliable instruction. It is also used as a command to a person. Ask is to obtain an answer or obtain an information for a particular thing.

An orbit is a curved path that is taken by an object around a star, planet, moon, etc. An orbital is a shape resulting in the combination of all probable orbits. It is an indecisive region inside an atom...

A diode is a type of electrical device that allows current to move through it in only one direction. It consists of an N-type semiconductor and a P-type semiconductor that are placed together. A capacitor...

Archaeology is a field of study that tries to unearth (literally) information about the past by digging up artifacts and analyzing them to recollect sequence of events of that time. History basically is all...

UML stands for Unified Modeling Language. ERD stands for Entity Relationship Diagram. UML is a popular and standardized modeling language that is primarily used for object oriented softwares. Entity-...