TECHNOLOGY

What Is A Hub? A network hub is a device that allows multiple computers to communicate with each other over a network. It has several Ethernet ports that are used to connect two or more network devices together. Each computer or device connected to the hub can communicate with any other device connected to one … Read more

Private Key Private key is the technique that uses a single shared key (secret key) to encrypt and decrypt the message. It is also referred to as symmetric key encryption. It is because the same secret key is used in bidirectional communication. In private key cryptography, the key is kept as a secret. Stored in … Read more

What is Xhtml? Stands for “Extensible Hypertext Markup Language.” XHTML is markup language used to create webpages. It is similar to HTML but uses a more strict XML-based syntax. The first version of XHTML (1.0) was standardized in 2000. For several years, XHTML was the most common language used to create websites. It has since been superseded by HTML5. Since XHTML is … Read more

What is VoLTE? VoLTE is a feature that allows the users to make phone calls without having to switch networks. VoLTE stands for Voice over LTE which pretty much sums up what it is about. Instead of the traditional circuit switching, the voice is transferred through data packets. This allows you to use the internet … Read more

Software testing is a process of identifying the correctness of software by considering its all attributes (Reliability, Scalability, Portability, Re-usability, Usability) and evaluating the execution of software components to find the software bugs or errors or defects. Software testing provides an independent view and objective of the software and gives surety of fitness of the … Read more

Universal Serial Bus is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply between computers, peripherals and other computers. With all the different USB standards, plug types, and speeds, it’s easy to get overwhelmed by the number of options. USB-A and USB-C are the two most common forms … Read more

What Is a Mistake? A mistake is an action, decision or judgement that produces an unwanted or unintentional result. In other words, a mistake is a wrong because the outcome is found to be wrong. Mistakes are made when a free choice is made and later called ‘’mistake’’ when they score badly in the context … Read more

SQL SQL refers to simple statements like Insert, Create, Select, update which can be used to select and manipulate data from database. SQL is Structured Query Language created to manipulate relational databases. SQL is a declarative database. There are no variables in SQL. In SQL, a particular query is executed at a time. These queries … Read more

What Are Inkjet Printers? Inkjet printers are a category of printer in which printing is done with the help of inkjet technology. The technology works by spraying very fine drops of ink on a sheet of paper. These droplets are ‘’ionized’’ and this allows them to be directed by magnetic plates in the ink’s path. … Read more

What Is a Hard Disk Drive (HDD)? A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. … Read more