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
What Is RGB Color Model? The RGB color model is an additive color model in which hues of red, green and blue light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors, red, green and blue. … Read more
What is IMAP? IMAP stands for Internet Message Access Protocol. It is an Internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP/IP connection.It stores email messages on a mail server and enables the recipient to view and manipulate them as though they were stored locally on their device(s). … Read more
What is a WebPage? A webpage is a document written in HTML and can be viewed on any web browser. It is contained within the web server, which can be accessed by entering the URL for that web page, and once it is loaded, it appears on the user’s web browser. Each webpage is linked … Read more
What Is ADSL Cable? Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. ADSL is asymmetric in that it uses most of the channel to transmit downstream to the user and … Read more