Title Unit 02 Computer Hardware Notes.pdf ✅

1 Contents 1. Sampling and Quantization.........................................................................................................2 Case Study: Digital Image Processing....................................................................................................2 Sampling ............................................................................................................................................2 Quantization.......................................................................................................................................4 2. Reconstruction of digital signal – converter.....................................................................................6 https://uomustansiriyah.edu.iq/media/lectures/5/5_2020_12_26!03_09_06_PM.pdf ..........................6 3. Memory Hierarchy in Computer Architecture ..............................................................................6 (Source: https://www.elprocus.com/memory-hierarchy-in-computer-architecture/) ..........................6 What is Memory Hierarchy? .....................................................................................................................6 Memory Hierarchy in Computer Architecture..........................................................................................7 Characteristics of Memory Hierarchy ...................................................................................................8 Memory Hierarchy Design ....................................................................................................................8 Advantages of Memory Hierarchy ........................................................................................................9 Introduction ............................................................................................................................................10 RAM(Random access memory)...............................................................................................................11 SRAM(Static Random Access Memory) ..............................................................................................11 DRAM(Dynamic Random Access Memory).........................................................................................11 ROM(Read Only Memory).......................................................................................................................12 MROM (Mask ROM)............................................................................................................................12 PROM (Programmable ROM)..............................................................................................................12 EPROM (Erasable Programmable ROM) .............................................................................................13 EEPROM (Electrically Erasable Programmable ROM).........................................................................13 Difference Between RAM and ROM .......................................................................................................13 Frequently Asked Questions..................................................................................................................13 What are the benefits of upgrading computer memory? ..................................................................13 How to know that it is time to upgrade the RAM?.............................................................................14 What are the characteristics of DRAM?..............................................................................................14 Conclusion...............................................................................................................................................14