Android Lollipop Android Lollipop (codenamed Android L during development) is the fifth major version of the Android mobile operating system developed by google and the 12th version of Android, spanning versions between 5.0 and 5.1.1. Android lollipop was launched on June 25, 2014 at the Google I/O 2014 conference and it became available through official … Read more
What Is A Primary Key? A primary key, also referred to as a primary keyword, is a key in relational database that is unique for each record. It is a unique identifier such as a driver license number, Social security number, telephone number (including area code), or vehicle identification number. A relational database must always … Read more
What Is Raster Scan? In raster scan system, the electron beam is swept across the screen, one row at a time from top to bottom. As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. What You Need To Know About Random … Read more
What Is Server-side Scripting? Server-side scripting is a method of designing websites so that the process or user request is run on the originating server. Server-side scripts provide an interface to the user and are used to limit access to proprietary data and help keep control of the script source code. It is based on … Read more
An operating system (OS) is an interphase between a computer user and computer hardware. An operating system performs all the basic tasks like file management, memory management, process management, handling input and output and controlling peripheral devices such as disk drives and printers. Examples of operating systems include: Linux Windows macOS (formerly OS X) Disk … Read more
What Is Indexing? Indexing is a way of optimizing the performance of a database by minimizing the number of disk accesses required when a query is processed. It is a data structure technique which is used to quickly locate and access the data in a database. There are two types of indexes in SQL Server: … Read more
Top-down and bottom-up approach are both strategies of information processing and knowledge ordering, used in a variety of fields including software, humanistic and scientific theories and management and organization. In practice, they can be seen as a style of thinking, teaching or leadership. In this article get to understand the underlying difference between top-down and … Read more
What Is IPv4? IPv4 (Internet Protocol Version 4) is the fourth revision of the Internet Protocol (IP) used to identify devices on a network through an addressing system. The internet protocol is designed for use in interconnected systems of packet-switched computer communication networks. IPv4 is the most widely deployed internet protocol to connect devices to … Read more
In computer science, a search algorithm is an algorithm (if more than one, algorithms) designed to solve a search problem. Search algorithms work to retrieve information stored within particular data structure, or calculated in the search space of a problem domain, with either discrete or continuous values. There are different types of searching algorithm, some of … Read more
What Are LEDs? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it. LEDs are comprised of compound semiconductor materials, which are made up of materials such as gallium arsenide (GaAs) and gallium phosphide (GaP). LEDs operate by electroluminescence, a phenomenon in which the emission of … Read more