Cache Mapping Technique

Duration: 8 min

This video lesson is available to enrolled students.

Return to /learn/DSSSB-TGT-COMPUTER-SCIENCE-PAPER-2/computer-systems-architecture/cache-memory-organization/units-cache-mapping-techniques-basics/asset-cache-mapping-technique after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. Programming, Data Structures, OOP & Java: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Java Fundamentals, Array, String, IO & References, Language Design, Intro to Compilers, Visual Basics, Syntax Analysis: Bottom-Up, Object Oriented Technology
  3. Computer Networks, TCP/IP & Network Security: Introduction to CN, Data Communication, DLL: Flow Control, DLL: Access Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Access Technologies, Network Security, Society, Law & Ethics, Cloud Computing, Mobile Computing, Net Layer:Routing Protocol, Cyber Safety and Security
  4. Teaching Methodology: Child Development, Concept of Pedagogy, Theories, Inclusive Education, Experiential Pedagogy, Assessment & Evaluation, Curriculum Framework & Reforms, National Education Policy (NEP) 2020, Psychology, Teaching-Learning Process, Personality Development, Teaching Methods & Strategies, Learning and Motivation, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Nature, Objectives & Characteristics of Teaching, Teaching-Learning Aids & ICT Integration, Classroom Management & Communication, Evaluation, Assessment & Measurement, Curriculum & School Environment, Inclusive Education & Special Needs, Professional Development & Ethics
  5. Digital Electronics / Boolean Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Analog-Digital Conversion
  6. Operating Systems & Linux: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, File Management, Disc Scheduling, Unix OS, Linux OS, Distributed Systems, Windows OS
  7. Data Base Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, File Organization & Indexing, Transaction Management, Concurrency Control, Database Security & Authorization, Database Recovery, Data Warehousing & Mining
  8. Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, HTML Basics, CSS, Emerging Technologies, JavaScript-Basics, .Net Programming, Electronic Data Interchange and E-Commerce, XML
  9. Computer Fundamentals, IT Basics & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design, Programming the Basic Computer, Terms & Abbreviations, MS Office Applications, Instr Formats & Modes, Floating Point Rep
  10. Python Language: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  11. Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, extras, Fundamentals of Systems and Information Systems
  12. Design & Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  13. Mathematics - I, II, III, IV: Permutation and Combination, Logarithm, Linear Algebra, Algebra, Calculus, Trigonometry, Vectors, Set Theory, Functions, Relations, Propositional and Predicate Logic, Research Process Steps, Graph Theory
  14. Computer Graphics, Multimedia & Mobile Computing: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, Multimedia
  15. Emerging Trends: Emerging Tech Trends, Knowledge Representation, Natural Language Processing
  16. Statistical Techniques: Probability, Statistics
  17. Interpolation - DI: Data Interpretation
  18. Basis of Physics: Physics
  19. Previous Year Paper:
  20. Business Studies and Management: Business Communication, Business Organization and Management, Financial Accounting, Business Economics, Management Information System (MIS), Knowledge Management & New Economy
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video provides a detailed lecture on cache memory mapping, specifically focusing on direct mapping techniques in computer architecture. The instructor, Sanchit Jain Sir, utilizes visual diagrams and on-screen calculations to explain how main memory blocks are mapped to cache lines. The lesson covers the structure of main memory, block sizes, and the mathematical process of converting decimal addresses to binary to determine cache locations. Key visual aids include a block diagram listing blocks B-0 through B-15, a table of main memory words W-0 through W-63, and a cache line diagram showing CL-0 through CL-3. The instructor demonstrates address calculations, binary conversions, and the modulo operation used to map blocks to cache lines.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The lecture begins with an introduction to the memory structure. The screen displays a vertical list of blocks labeled B-0 to B-15 on the left and a table titled 'Main Memory' on the right containing words W-0 to W-63. The instructor draws a long red arrow spanning the entire height of the block diagram to indicate the total memory size, writing the number '64' next to it. He writes '4' to represent the block size and '16' to represent the total number of blocks. He begins writing binary numbers on the screen, starting the process of address calculation for memory mapping.

  2. 2:00 – 5:00 02:00-05:00

    The instructor proceeds with specific address calculations. He writes the binary number '011000' and converts it to the decimal number '24'. He highlights specific cells in the Main Memory table, such as W-24, W-48, and others, to show which words belong to specific blocks. He circles 'B-6' in the block diagram. Later, he writes the binary number '110111' and switches to a web browser showing the 'RapidTables' decimal to binary converter. He inputs '55' to verify the binary representation, confirming it as '110111', which helps in understanding address bit allocation.

  3. 5:00 – 7:51 05:00-07:51

    The final segment focuses on mapping blocks to cache lines. A new diagram appears with 'CL-0' to 'CL-3' on the left and 'B-0' to 'B-15' on the right. The instructor explains the direct mapping formula using modulo arithmetic. He circles 'B-5' in the block list and draws a red arrow pointing to 'CL-1' in the cache line list, illustrating that Block 5 maps to Cache Line 1 (5 % 4 = 1). He continues to draw arrows and explain how other blocks map to the available cache lines, reinforcing the concept of how main memory is organized within the cache.

The video systematically guides students through the process of cache memory mapping. It starts by defining the memory hierarchy with blocks and words, then moves to calculating specific addresses using binary and decimal conversions. Finally, it applies these calculations to map blocks to cache lines using the modulo operator. This progression from structure to calculation to mapping provides a comprehensive understanding of direct mapping in computer architecture.

Loading lesson…