Rekha Setia 
The <marquee> tag is an HTML element that was used in earlier versions of HTML to create a scrolling or moving text or image within a web page. It was primarily employed to add dynamic and attention-grabbing effects to text or images. The content within the <marquee> tag would continuously move across the screen in … Read more
In C++, the “this” pointer is a keyword that represents a pointer to the instance of the class to which the member function belongs. It is implicitly passed as a hidden argument to all member function calls. Here’s a basic explanation of the “this” pointer: Types of this pointer Pointer to the Current Object: Inside … Read more
In C++, enumeration (enum) is a user-defined data type that consists of named integral constants. Enums are useful for creating more readable and self-explanatory code by assigning names to numeric values. Here’s a basic example of how to use enums in C++: #include <iostream.h> // Define an enumeration named Color enum Color { RED, … Read more
An external style sheet in CSS is a separate file containing styles that can be linked to multiple HTML documents. This separation of styles from HTML content allows for better organization, easier maintenance, and consistent styling across multiple pages. Here’s how you can create and use an external style sheet in CSS: Create a CSS … Read more
In HTML (Hypertext Markup Language), heading tags are used to define headings or titles within a document. Headings provide structure and hierarchy to your content, indicating different levels of importance. HTML offers six levels of heading tags, ranging from <h1> to <h6>, where <h1> is the highest level and <h6> is the lowest. Here’s an … Read more
In HTML, you can create tables using the <table>, <tr>, <td>, and <th> tags. Here’s a basic example of an HTML table(with css): <!DOCTYPE html> <html> <head> <style> table { width: 100%; border-collapse: collapse; margin-bottom: 20px; } th, td { border: 1px solid #dddddd; text-align: left; … Read more
Certainly! C++ is a general-purpose programming language that was created as an extension of the C programming language. It was developed by Bjarne Stroustrup(Bjarne Stroustrup is a Danish computer scientist who is best known for his creation of the C++ programming language.) at Bell Labs in the early 1980s. C++ is known for its efficiency, … Read more
Abstraction is one of the fundamental principles of object-oriented programming (OOP), and it plays a crucial role in C++. Abstraction involves simplifying complex systems by modeling classes based on the essential features they possess while hiding unnecessary details. In C++, abstraction is implemented through classes and interfaces. Here are some key concepts related to abstraction … Read more
The Abstract Window Toolkit (AWT) is a Java package that provides a set of graphical user interface (GUI) components and tools for building GUIs in Java applications. AWT is part of the Java Foundation Classes (JFC) and is one of the core technologies used for creating graphical user interfaces in Java. The AWT package includes … Read more
ASCII ( American Standard Code for Information Interchange) is a character encoding standard used in computers and communication equipment to represent text, control characters, and other data. ASCII was first developed in the 1960s and has been widely used since then. The ASCII standard uses a 7-bit binary code to represent each character, allowing for … Read more