Revature Technical Interview Questions and Correct Answers

What is Binary? Ans: Binary is a language that the computers use and understand. It goes between 0 and 1. O is off 1 is on. What is Assembly? Ans: low level programing language designed for a specific type of processor. What is a Compiled Language? Give an Example Compiled Language. Ans: A compiled language is a programming language that can be translated into the computer language which is Binary. Example would be java or C++ What is a Scripting Language? Give an Example Scripting Language. Ans: Scripting language is executed without being compiled. It runs directly on the client. For example, javascript is a scripting language because it is executed by the user's browser. What is a Markup Language? Give an Example Markup Language. Ans: Is used to format and structure the document. For example, html is used to structure web documents. What is Object Oriented Programing (OOP)? Ans: Is programming based on the concept of "objects". It contains attributes and behaviors. For example, a class person, can have something like eye color or name as an attribute and a method that mimics the behavior such as talking or eating. What are the Pillars of OOP? Ans: Abstraction, Encapsulation, Inheritance, Polymorphism. Describe Abstraction Ans: information that is hiding because is irrelevant to the user. For example: an uBer app.//Back end Encapsulation Ans: It protects data by making the instance variable private. For example, when you change your password there are a few validations before you change it, like password length, etc. Inheritance Ans: Inheritance enables new objects to take on the properties of existing objects by using the keyword "extends". For example, you can create a class "Dog extends animal" meaning that Dog has all the properties of an animal. Polymorphism Ans: Generally, the