What Is Near-Field Communication (NFC)? Near Field Communication (NFC) is a short-range wireless connectivity standard that uses magnetic field induction to enable communication between devices when they’re touched together or brought within a few centimeters of each other. Jointly developed by Philips and Sony, the standard specifies a way for devices to establish a peer-to-peer … Read more
What is Testing? Software testing is the process of evaluating and verifying that a software product or application does what it is supposed to do. In other words, testing is executing a system in order to identify any gaps, errors, or missing requirements in contrary to the actual requirements. The process of software testing aims … Read more
What is a Shallow Copy? A shallow copy of an object is a copy whose properties share the same references (point to the same underlying values) as those of the source object from which the copy was made. In shallow copy, an object is created by simply copying the data of all variables of the original object. This … Read more
BASIS OF COMPARISON NAT PAT Description NAT translates the private local IP to the global public IP address. PAT translates the private IP addresses of an internal network to the public IP address with the help of port numbers. Relationship NAT has a one-to-one or many-to-one relationship. PAT has a many-to-one relationship. Types There … Read more
ECMAScript is a JavaScript standard meant to ensure the interoperability of web pages across different web browsers. ECMAScript is commonly used for client-side scripting on the world wide web and it is increasingly being used for writing server applications and services using Node.js. ES5 is an abbreviation of ECMAScript 5 and also known as ECMAScript … Read more
What is a Supercomputer? A supercomputer is a computer with a high level of performance as compared to a general-purpose computer. The term is commonly applied to the fastest high-performance systems available at any given time. Such computers have been used primarily for scientific and engineering work requiring exceedingly high-speed computations. Performance of a supercomputer is … Read more
What Is a File? Files are storage units for data. They can take many forms including text documents, audio tracks, movie clips and computer programs. Files can be edited and transferred through the Internet on that particular computer system. Different types of computer files are designed for different purposes. A file may be designed to store an Image, a … Read more
What is a Finite Automata? Finite Automata(FA) is the simplest machine to recognize patterns. The finite automata or finite state machine is an abstract machine that has five elements or tuples. It has a set of states and rules for moving from one state to another but it depends upon the applied input symbol. Basically, … Read more
What Is Guided Media? Guided media also referred to as Wired or bounded transmission media, are those that provide a channel from one device to another; they include twisted-pair cable, coaxial cable and fibre-optic cable. A signal traveling along any of these media is directed and contained by the physical limits of the media. Major … Read more
Beam Penetration Method Beam–Penetration Method: It is used with a random scan monitor for displaying pictures. There are two phosphorus layers- Red and Green are coated inside the screen. The color shown depends on how far the electron beam penetrates the phosphorus surface. A powerful electron beam penetrates the CRT, it passes through the red layer and excites … Read more