Computer Free Learning

 Facebook, founded by Mark Zuckerberg in 2004, is a prominent social media platform that has revolutionized the way people connect, share, and communicate online. With over a billion active users globally, Facebook has become an integral part of modern digital culture. Here are some key aspects to consider: 1. **Social Networking**: Facebook is primarily a social networking platform, allowing users to create profiles, connect with friends, family, and colleagues, and share updates, photos, videos, and more. It enables users to maintain virtual connections and stay updated about each other's lives. 2. **News Feed**: The central feature of Facebook is the News Feed, where users see a stream of content from their friends, pages they follow, and groups they're a part of. This includes status updates, photos, links, and videos. 3. **Profile**: Users create profiles that represent their identity on the platform. Profiles include personal information, a profile picture, and a timeline...

ChatGPT is a revolutionary language model developed by OpenAI, built on the GPT-3.5 architecture. It represents a significant advancement in natural language processing and human-computer interaction. ChatGPT is designed to engage in dynamic and contextually relevant conversations with users, making it a versatile tool for a wide range of applications. At its core, ChatGPT is trained on a diverse dataset that includes a vast amount of text from books, websites, articles, and other sources. This extensive training enables it to understand and generate human-like text, making it capable of responding to a multitude of prompts and questions. The model has a "knowledge cutoff," which means it's not aware of events or developments that have occurred after its last training data update, in this case, September 2021. ChatGPT's architecture is based on a transformer model, which allows it to process and generate text in a highly coherent and contextually appropriate manner. I...

Android development refers to the process of creating applications for devices that run on the Android operating system. Android is an open-source mobile operating system developed by Google, and it powers a majority of smartphones, tablets, smart TVs, and other devices. Android apps can be developed using various programming languages and tools, but the most common approach involves using Java or Kotlin programming languages in combination with the Android Studio Integrated Development Environment (IDE). Key Components of Android Development: 1. Activities: An Activity represents a single screen with a user interface. Android apps are composed of one or more activities, and users navigate between them. 2. Fragments: Fragments are smaller modular components that can be combined within an Activity to create a flexible UI design, particularly useful for tablets and larger screens. 3. Views and Layouts: Views are the building blocks of the UI, representing buttons, text fields, images, et...

An operating system (OS) is a software layer that acts as an intermediary between computer hardware and user-level applications. It manages and coordinates hardware resources, provides an environment for software execution, and offers various services to both users and applications. Let's delve into the key components and functions of an operating system:  1. Kernel:  The Core Component The kernel is the heart of the operating system. It manages hardware resources, enforces security, and provides essential services. It consists of several core components: - Process Management:The kernel manages processes, which are instances of running programs. It schedules processes, allocates CPU time, and facilitates inter-process communication.   - Memory Management:The OS handles memory allocation and deallocation, ensuring efficient use of available memory. It creates a virtual memory space, allowing processes to access memory addresses that may not correspond directly to phy...

An algorithm is a step-by-step procedure or set of rules for solving a problem or performing a specific task. Algorithm analysis involves evaluating the efficiency and performance of algorithms, particularly in terms of their time and space complexities.  These complexities provide insights into how an algorithm's runtime and memory requirements grow as the input size increases.  Time Complexity: Time complexity measures the amount of time an algorithm takes to run as a function of the input size. It helps us understand how the algorithm's performance scales with larger inputs. Common notations used to express time complexity include Big O, Big Theta, and Big Omega. - Big O Notation (O()): It represents the upper bound on an algorithm's runtime.  For an algorithm with time complexity O(f(n)), the runtime won't exceed a constant multiple of f(n) for large inputs. -Big Omega Notation (Ω()): It represents the lower bound on an algorithm's runtime.  For an algorithm w...

Object-oriented programming (OOP) is a paradigm that revolutionized the way software is designed, developed, and maintained.  It is built on the fundamental concept of "objects," which encapsulate both data and the methods (functions) that operate on that data. OOP offers a structured approach to software development by modeling real-world entities as objects, allowing for more organized, modular, and scalable codebases. At its core, OOP is guided by four key principles: encapsulation, abstraction, inheritance, and polymorphism.   1. Encapsulation: Encapsulation refers to the bundling of data and the methods that manipulate that data into a single unit, known as a class. This concept promotes information hiding, as the internal workings of an object are concealed from external entities, enhancing data security and reducing the risk of unintended interference.   2. Abstraction: Abstraction involves simplifying complex reality by modeling classes based on their e...

Drupal a free and open-source content-management system and third most popular CMS behind Wordpress & Joomla, it provides a back-end framework for at least 2.2% of all Web sites worldwide ranging from personal blogs to corporate, political, and government sites. As of April 2015 the Drupal community, comprising more than one million members (as of October 2013)and over 30,000 developers (as of February 2014),has contributed more than 33,000 modules that alter and extend the core capabilities, behavior, and appearance of a Drupal site. Getting Started To start building websites with Drupal, Domain registration and Hosting should be done first. Installing Drupal To Download Drupal visit http://drupal.org/project/drupal and click on the version of drupal you want and download it. Log in to your hosting account's control panel and in File Manager, Navigate to your HTML directory. Upload your compressed .tar.gz or .zip file to the Html directory. Most of the Hosting serv...

Joomla is one of the largest and most famous FREE open source projects next to WordPress, With origins all the way back to 2000, Joomla is responsible for many innovations in the PHP / MySQL space that includes WordPress, Drupal, Magento and so many others. As Joomla continues to thrive in 2015, Joomla remains the second most popular content management system (CMS), behind only WordPress. Joomla is responsive because the Joomla team decided to adopt the Bootstrap framework. The use of Bootstrap makes Joomla 3 attractive for front-end designers, but it also makes it easy for developers to create interfaces for their code. Installing Joomla To start building websites with joomla, Domain Registration and Hosting should be done first, to install Joomla - you have two options. For both ways, you'll need a hosting and domain name. There are two possible ways to install Joomla One-Click Installation Manual Installation One-Click Installation Almost every reliable and well-esta...

  Do you want to know how to create a WordPress website step by step and don’t know How to Create a WordPress Website or blog? and how to code exactly? Welcome Readers, Today I will tell you Step by Step Procedure to create a WordPress Website. You don’t have to be a good programmer to start a blog or to make a Website.Ch oosing Domain Name and Hosting  The First thing to do to start building a website is to get a Domain name and Hosting.   DomainName    A Domain  name (a web address for a website like www.yoursitename.com, www.google.com) Hosting Hosting is a service that connects your site to the internet, hosting allows individuals and organizations to make their website accessible via the World Wide Web. Web hosts are companies that provide space on a server owned or leased for use by clients, as well as providing Internet connectivity, typically in a data center. The WordPress platform itself is absolutely free, but a domain name and h...

In this segment you will learn to build Websites easily with CMS (Content Management System) which is a easy to use user friendly webbuilding platform. WHAT IS CMS? A content management system (or website building platform) is a user-friendly platform for building websites and managing your own online content, instead of using a bunch of HTML Codes. It helps users who doesn't have basic knowledge about programming to build s website by themselves very easily, it is as easy as working on a word processing tool. Using CMS maintaining the site and modifying and doing changes in the design of the website is too simple. There are many CMS available but WORDPRESS, JOOMLA & DRUPAL are widely used, in this 3 the most easy to use and very popular CMS is WORDPRESS. MOST POPULAR CMS As you can see from the image above, nearly half of the websites on the Internet are running on WordPress platform. ADS BY ADSTERRA div>ADVANTAGES OF WORDPRESS Very User firendly If  you know ho...

The following are some of the characteristics of the computer. 1. Versatility  - A computer can perform multiple tasks at the same time.  - A computer is very flexible in performing the jobs to be done.  -This machine can be used to solve the problems related to various fields.  - At one instance, it may be solving a complex scientific problem and the very next moment it may be playing a card game.  2. Storage Capability (Memory) -Memory is a very important characteristic of computers.  -A computer has much more storage capacity than human beings.  - It can store large amount of data.  - It can store any type of data such as images, videos, text, audio and many others.  3. Diligence  -Unlike human beings, a computer is free from monotony, tiredness and lack of concentration.  - It can work continuously without any error and boredom.  - It can do repeated work with same speed and accuracy 4. Reliability (Reliable)  - Repeat...

 The word computer originates from the word compute which means to calculate. It was initially used to refer to human beings that perform calculations. A computer has been defined so many forms by different authors. Some of the definitions are as follows: - Computer :-  is an electronic device that accepts data as input Process the data and gives out information as output.  - Computer :- It can be defined as an electronic or electromechanical device that is capable of accepting data, holds a means of instruction in its memory, process the information given by following sets of instructions to carry out a task without human intervention and at the end provide significant result. - Computer :- is any machine which accepts data and information presented to it in a prescribed form,carry out some operations on the input and supply the required result in a specified format as information or as signals to control some other machines or process. - Computer :- is an ele...