Input, Output & Storage Devices | Computer Fundamentals | Chap 2 | BSc CA & CS, BCA | Arpit Katiyar

*COMPUTER FUNDAMENTALS | CHAPTER 2 — INPUT, OUTPUT & STORAGE DEVICES* In this lecture, we explore the essential hardware components of a computer, including input devices, display technologies, printers, primary memory and secondary storage. 📌 Topics Covered Input Devices: Keyboard, Mouse, Pointing Devices & Scanners OCR (Optical Character Recognition) Output Devices & Display Technologies Pixels, Resolution, Refresh Rate & Aspect Ratio CRT, LCD, LED & OLED Displays VGA, DVI, HDMI & DisplayPort Printers: Dot Matrix, Inkjet, Laser & Thermal Primary Memory: RAM, ROM & Cache RAM Types: SRAM, DRAM, SDRAM & DDR Generations Secondary Storage: HDD vs SSD Optical Storage: CD, DVD & Blu-ray USB Flash Drives & Modern USB Standards Chapter 2 Quick Revision 🎓 *Suitable for:* BSc CA, BSc DS-AI, BSc CS, BCA and other Computer & IT students. 📖 *NOTES & STUDY MATERIAL:* https://drive.google.com/drive/folder... 💡 The goal is to understand computer fundamentals, not just memorize definitions to pass exams. Learn the concepts, understand how the hardware works, and build a strong foundation. — *Arpit Katiyar*