TECHNOLOGY

What Is Materialized View? In computing, a materialized view is a database object that contains the results of a query. For example, it may be a local copy of data located remotely or may be a subset of the rows and or columns of a table or join result or may be a summary using … Read more

What Is Wireless Fidelity (WiFi)? WiFi is a wireless networking technology that uses radio waves to provide wireless high-speed internet and network connections. By using this technology we can exchange the information between two or more devices. WiFi is built upon a set of standards that allow high-speed and secure communication between a wide variety … Read more

What Is Grid Computing? Grid computing is a series of computers physically connected (over a network or with internet) to perform a dedicated function together, such as solving a complex problem or analyzing e-commerce data. In grid computing architecture, every computer in the network turns into a powerful supercomputer that has access to large processing … Read more

What Is Optical Character Recognition (OCR)? The main purpose of optical character recognition is to quickly and automatically recognize and convert images of machine-printed or typed text into actual electronic data that users can organize, search and modify. In general, an OCR engine analyzes the pixel data of scanned images and searches for patterns resembling … Read more

SVG File (Scalable Vector Graphics) SVG (Scalable Vector Graphics) is an Extensible Markup language-based vector image format for two-dimensional graphics with support for interactivity and animation. It was developed in 1999 by Wide Web Consortium. SVG files are developed as a standard format for displaying vector graphics on the web. SVG is based on XML … Read more

Orthographic projection can be described as a method of representing three-dimensional objects, usually by three two-dimensional drawings in each of which the object is viewed along parallel lines that are perpendicular to the plane of the drawing. Oblique projection is a simple type of technical drawing of graphical projection used for producing two-dimensional images of … Read more

What Are Stack Data Structure? Stack is an abstract data type that serves as a collection of elements, with two principal operations: PUSH, which adds an element to the collection and POP which removes the most recently added element that was not yet removed. Generally, stacks are based on Last In First Out (LIFO) principle … Read more

What Is Substitution Cipher Technique? In cryptography (the science of writing, analyzing and deciphering codes), a substitution cipher is a method of encryption by which units of plaintext are replaced with other symbols or groups of symbols in accordance with a fixed set of rules. These plaintext units may be individual letters or characters, letter … Read more

Function Overloading When we have multiple functions with the same name but different parameters, then they are said to be overloaded. This technique is used to enhance the readability of the program. There are two ways to overload a function, they are: Having different number of arguments Having different argument types. Function overloading is normally … Read more

What Is Structure In C? Structure is a group of variables of different data types represented by a single name. Similar to array structures are used to represent a collection of data items but of similar and different types using the single name. Structure is a user-defined datatype where we have to design and declare … Read more