TechHub Today

  What is RAM? Types and How It Works Introduction In the world of computers and smartphones, RAM is one of the most important components that directly affects performance. Many people often ask: What is RAM? How does it work? If you are building a PC, buying a laptop, or even upgrading your phone, knowing about RAM will help you make better choices. In this blog, we will discuss everything about RAM: its definition, functions, types, and how it impacts overall system speed. What is RAM? RAM stands for Random Access Memory . It is a type of temporary memory used by computers and smartphones to store data that the system is currently using. Unlike a hard drive or SSD, RAM does not store data permanently. Once the power is turned off, all information stored in RAM is lost. Think of RAM as a work desk and the hard drive as a filing cabinet . The bigger the desk (RAM), the more files (data) you can keep on it for quick access. If the desk is small, you will have to go back and ...

  The Future of Wearable Tech: New AI Smart Glasses in 2025 In 2025, the world of wearable technology has taken a giant leap forward with the arrival of advanced AI-powered smart glasses . These glasses are no longer just about style; they combine artificial intelligence, augmented reality, and modern design to transform the way we interact with technology in daily life. Several companies, including Meta, Oakley, and Solos, have launched impressive models that bring futuristic features to consumers. Let’s take a detailed look at some of the most exciting smart glasses of 2025. 1. Meta Ray-Ban Smart Glasses with Display Meta has once again partnered with Ray-Ban to introduce their most advanced smart glasses yet. These glasses feature a built-in display inside the lens , allowing users to check messages, view navigation directions, or even get real-time translations without pulling out their phone. One of the most innovative aspects of these glasses is the Neural Wristband Cont...

  Everything You Need to Know About Motherboards When it comes to building or upgrading a computer, one of the most important components is the motherboard . It acts as the backbone of your system, connecting the processor, memory, storage devices, graphics card, and all other hardware together. Without a motherboard, no computer can function. In this article, we will explore what a motherboard is, its functions, types, and the key factors to consider before buying one. What is a Motherboard? A motherboard is a large printed circuit board (PCB) that holds and connects all the essential parts of a computer. It allows communication between the CPU (Central Processing Unit) , RAM (Random Access Memory) , storage drives , and other peripherals. Simply put, the motherboard acts like the central hub of your PC, making sure that every component can work together properly. Functions of a Motherboard The motherboard is more than just a connector. Its main functions include: Power Distribu...

  What is a Processor? Types and Functions Introduction The processor , also known as the CPU (Central Processing Unit) , is the “brain” of a computer. It processes all the instructions given by software and hardware and ensures the smooth functioning of a system. Without a processor, a computer cannot work. What Does a Processor Do? The processor’s main job is to: Execute Instructions – It runs commands from software and operating systems. Perform Calculations – Handles mathematical and logical operations. Control Tasks – Manages how fast programs and applications run. Communication – Acts as a bridge between hardware (RAM, storage, GPU) and software. In short, the processor determines how fast and powerful your computer or mobile device will be. Main Types of Processors 1. Based on Manufacturer Intel Processors → Popular for desktops and laptops (Core i3, i5, i7, i9). AMD Processors → Known for better performance at lower prices (Ryzen series)....

  What is a Graphics Card and How Does It Work? In today’s digital age, a graphics card has become one of the most essential components of a computer, especially for those who play games, edit videos, or work on 3D designs. But what exactly is a graphics card, and how does it work? Let’s break it down. What is a Graphics Card? A graphics card is a special hardware device that processes images and videos inside a computer. Simply put, it is the component that displays visuals (pictures, videos, animations, games) smoothly and in high quality on your monitor. While a regular CPU (Central Processing Unit) can handle graphics, a graphics card has its own dedicated processor called the GPU (Graphics Processing Unit) . The GPU can perform thousands of calculations simultaneously, making images and videos render much faster. Types of Graphics Cards Integrated Graphics Built into the CPU itself. Suitable for basic tasks (YouTube, movies, office work). Examples: Intel U...

Top 5 Budget Smartphones in 2025 Choosing the right budget smartphone in 2025 can be tricky, but we’ve shortlisted the top 5 options that give you the best value for money in Pakistan.  Xiaomi Redmi Note 14 Xiaomi has built a strong reputation in the budget smartphone category, and the Redmi Note 14 continues that tradition. 6.6-inch AMOLED display, 120Hz refresh rate 108MP main camera 5000mAh battery with 33W fast charging Price: ~38,999 PKR The device offers excellent performance for gaming and multitasking, and the camera quality in this price range is a big plus. 2. Realme Narzo 60 Realme is targeting young users with stylish designs and powerful hardware. MediaTek Dimensity processor 8GB RAM, 128GB storage Sleek design aur strong battery life Price: ~37,500 PKR Narzo 60 is perfect if you need a balance of performance, design, and long-lasting power. 3. Samsung Galaxy A24 Samsung’s Galaxy A-series is popular for its reliable performance. Super ...