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BCA-305N · Computer Graphics and Animation
Unit 1

Introduction to Computer Graphics, Hardware & Display Devices

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Unit 1 Learning Hub

Introduction to Computer Graphics, Hardware & Display Devices

Official MJPRU BCA Unit 1: Introduction to Computer Graphics, Hardware & Display Devices for BCA-305N (Computer Graphics and Animation).

Syllabus Topics:History and Evolution of Computer Graphics: Whirlwind Computer, Sketchpad (Ivan Sutherland), Evolution to GPU-Driven Real-Time RenderingDefinition and Broad Classifications: Interactive vs Passive Graphics, Vector Graphics vs Bitmap/Raster GraphicsMajor Applications of Computer Graphics: CAD/CAM, Scientific Visualization, Entertainment & Animation, Medical Imaging, Graphic User InterfacesCathode Ray Tube (CRT) Physics: Electron Gun, Accelerating Anode, Deflection Yoke, Phosphor Screen, Persistence, Aspect RatioRefresh CRT Display Systems: Frame Buffer, Refresh Rate (Hz), Interlacing vs Non-Interlaced ScanningRaster Scan Display Architecture: Electron Beam Traversal, Horizontal Retrace, Vertical Retrace, Raster Scan ControllerRandom Scan (Vector / Calligraphic) Display Systems: Electron Beam Directed Deflection, High-Resolution Line Rendering, Comparison with Raster DisplaysColor CRT Systems: Beam Penetration Method (Two Layers) vs Shadow Mask CRT Method (Delta/In-Line Triads, Color Purity)Flat Panel Display Technologies: Plasma Display Panels (Gas Discharge, UV Light, Phosphors), Liquid Crystal Display (LCD - Twisted Nematic, TFT-LCD)Light Emitting Diode (LED) & Organic LED (OLED) Displays: Working Principles, Advantages over Traditional Backlit PanelsInteractive Input Devices: Digitizing Graphics Tablets, Light Pens, Optical Mice, Joysticks, Trackballs, Data GlovesGraphics Software Architectures & Standards: GKS (Graphical Kernel System), PHIGS, OpenGL & DirectX Hardware Abstraction
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Introduction to Computers & The IPO Cycle

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Topic 1 · The foundation of modern computing

Introduction to Computers & The IPO Cycle

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Ready to master this concept? Give it a quick read & tap the check!

💡 The Big Picture:A computer is an electronic system that takes raw data as Input, processes it under programmed logic, and produces meaningful Information as Output.
🍪 Everyday Analogy:Think of baking cookies: Flour & Sugar (Input) ➔ The Oven (Processing) ➔ Warm Delicious Cookie (Output)! 🍪
Key Exam Takeaways
  • ·Data = Raw, unprocessed facts without context (e.g. 42, 'apple').
  • ·Information = Structured data with meaning (e.g. 'Temperature: 42°C').
  • ·Hardware is what you can touch; Software is the instructions running inside.
Instant Knowledge Check
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Which of the following represents unprocessed raw facts?

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