A computer programming language refers to any of the different languages used to convey a set of specific instructions to a digital computer. These instructions can be performed directly when represented in machine language. They follow a simple replacement procedure when expressed or translated in a corresponding higher-level language or assembly language. Low-level programming languages include assembly and machine languages. These languages require a programmer to manage all of a computer's features, such as data storage and operations. High-level languages, on the other hand, free a programmer from such concerns and give a notation that is easier for programmers to write and read. Various programming languages include algorithmic languages, business oriented languages, and object oriented languages. This book provides comprehensive insights on advanced principles and systems of programming languages. It is a vital tool for all researching or studying programming languages as it gives incredible insights into emerging trends and concepts.