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Video cards, also known as graphics cards or GPUs, are specialized electronic components designed to accelerate the creation and rendering of images, videos, and 3D models on computers. They are an essential part of workstations and high-performance computing systems used in fields such as computer-aided design (CAD), scientific simulations, video editing, gaming, and virtual reality. Video cards typically consist of a printed circuit board (PCB) populated with various electronic components, including a graphics processing unit (GPU), memory chips, power regulators, input/output interfaces, and cooling systems. The GPU is the heart of the card, designed to perform complex mathematical calculations required for rendering images and videos in real-time. The memory chips on a video card are used to store textures, shaders, and other graphical data, allowing the GPU to access them quickly during rendering. Input/output interfaces such as HDMI, DisplayPort, or VGA connectors allow the video card to transmit signals to monitors or televisions. Video cards can be classified into different categories based on their performance, features, and price range. Entry-level cards are suitable for basic tasks such as web browsing, office applications, and casual gaming, while high-end cards are designed for demanding workloads such as 4K video editing, 3D modeling, and professional gaming. In summary, video cards are electronic components that enhance the visual capabilities of computers, allowing users to perform complex graphical tasks with ease. They are essential for workstations and high-performance computing systems, offering improved performance, productivity, and user experience.