Binesha Writes

  What is an Operating System? An Operating System (OS) is not a single program—it's a complex system made up of tens or even hundreds of thousands of smaller programs , all working in harmony to manage your computer. These small programs, sometimes called components or services, each perform specific tasks like handling files, running applications, or managing memory. To ensure everything functions smoothly, these smaller programs must communicate effectively —just like how different departments in a company need good communication to stay productive.   Major Operating Systems Today, most personal computers run one of the following OS types: Windows – by Microsoft macOS – by Apple GNU/Linux – an open-source system used widely in servers, development, and custom desktops Each has its own unique structure and philosophy, but they all serve the same core purpose: to bridge the gap between hardware and software .   How Programs Work: The Example of a We...

In the age of digital transformation, computer networking forms the backbone of modern communication systems. From sending an email to streaming a movie, networking connects devices and enables seamless data sharing. But how did it all start, and what makes it work? Let’s dive into the world of networking to understand its concepts, components, and models. Concept of Computer Networking The concept of networking emerged during the 4th generation of computers in the 1970s and 1980s , driven by the need for efficient resource sharing, faster communication , and centralized data access . As computing technology advanced, organizations sought better ways to interconnect computers, leading to the evolution of computer networks . Reasons that motivated networking: Sharing hardware devices like printers and scanners. Centralized data management and access. Enhanced communication through emails and messaging. Cost-effective resource utilization. Easier data backup and mai...

In the fast-paced world of technology, creating high-quality software is more than just writing code. It requires a well-structured process that ensures the end product meets customer expectations, is delivered on time, and stays within budget. This process is known as the Software Development Life Cycle (SDLC)  a systematic approach that guides the development of software through a series of phases from inception to deployment and maintenance. Why is SDLC Important? The SDLC offers a clear roadmap for software development by: Improving project planning and management Ensuring clarity of requirements and objectives Enhancing communication between stakeholders Reducing project risks and rework Delivering high-quality and cost-effective software Let’s explore each phase of the SDLC using a relatable example: developing an Online Food Delivery App (like Uber Eats or PickMe Food). 1. Requirement Gathering and Analysis What Happens? This is the foundation of the ...

    Before diving into any programming language, it's essential to understand the basics of what the code interacts with—the computer. Many beginners start by learning syntax without grasping the underlying hardware, which can lead to confusion later. At its core, programming is about giving instructions to a machine, and knowing how that machine operates makes a big difference. Concepts like memory, bits, bytes, and binary might seem intimidating at first, but they are quite simple. Understanding them provides clarity and helps demystify how computers work. It also builds a stronger foundation for learning any programming language, as it explains why a certain code behaves the way it does. Programming languages were developed to handle the complexity of modern applications, but underneath, computers process information in a very straightforward way. When learners understand this, it becomes easier to write efficient code and solve problems effectively. This foundatio...