Practice Question
Duration: 2 min
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Module outline
- About Course: About the Course
- CS | 01 | Digital Logic and Circuits and Discrete Mathematical Structures: Digital Systems & Boolean Basics, Number System, Number Representation, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic, Permutation and Combination
- CS | 02 | Computer Organization and Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Multiprocessors
- CS | 03 | Data Structures and Algorithm: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Complexity Theory, Advanced Algorithms
- CS | 04 | Problem Solving through C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- CS | 05 | Object Oriented Techniques: Object Oriented Technology, Java
- CS | 06 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Unix OS
- CS | 07 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, Database Security & Authorization, Query Processing & Optimization, File Organization & Indexing
- CS | 08 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
- CS | 09 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
- CS | 10 | Internet Technology, Web Design and Web Technology: Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, JavaScript-Basics, HTML Basics
- CS | 11 | System Analysis And Design: Fundamentals of Systems and Information Systems, SDLC and Development Approaches, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Security, Risk Management & Maintenance
- CS | 12 | Information Security and Cyber Laws: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security
- CS | 13 | Computer Graphics: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing
- GS Paper | 01 | Indian and World Geography: Geography
- GS Paper | 02 | History: History
- GS Paper | 03 | Indian Economy & Social Development: Indian Economy
- GS Paper | 04 | General Science: Biology, Chemistry, वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research
- GS Paper | 05 | Elementary Maths: संख्या पद्धति / Number System, Divisibility Rules, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, प्रतिशत / Percentage, लाभ, हानि और बट्टा / Profit, Loss and Discount, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, अनुपात और समानुपात / Ratio and Proportion, औसत / Average, समय और कार्य / Time and Work, समय, चाल और दूरी / Time, Speed and Distance, Algebra, घन क्षेत्रमिति / Solid Mensuration, आँकड़ा निर्वचन / Data Interpretation, Arithmetic, Statistics, Probability, Sequence and Series (Series), मिश्रण और एलिगेशन / Mixture and Alligation, Calculus, Trigonometry, Vectors, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, यूक्लिडीय ज्यामिति और क्षेत्रमिति / Euclidean Geometry and Mensuration, सांख्यिकी और प्रायिकता / Statistics and Probability, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers, समतल क्षेत्रमिति / Plane Mensuration, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics
- GS Paper | 06 | Indian Polity and Governance: Polity
- GS Paper | 07 | Current Events: समसामयिकी / Current Affairs
- UPLT Live Classes Notes: UPLT Live Classes
- UPLT Full Mock Tests Tier 1:
- UPLT Full Mock Tests Tier 2:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
The video features an educational lecture by Sanchit Jain Sir on computer architecture, specifically focusing on cache memory mapping. The problem presented involves a fully associative mapped cache with a size of 16 KB, a block size of 256 bytes, and a main memory size of 128 KB. The goal is to determine the number of bits in the tag and the tag directory size. The instructor systematically breaks down the address structure, calculating the block offset based on the block size and the total address bits based on the main memory size. He then deduces the tag bits and calculates the total directory size by multiplying the number of cache lines by the tag bits.
Chapters
0:00 – 2:00 00:00-02:00
The instructor begins by reading the problem statement displayed on the screen: 'Consider a fully associative mapped cache of size 16 KB with block size 256 bytes. The size of main memory is 128 KB.' He proceeds to analyze the address structure shown in the diagram. He calculates the block offset bits as 8, noting that 256 bytes equals 2^8. He determines the total physical address bits to be 17, as 128 KB equals 2^17. This leads him to conclude that the Tag bits are 9 (17 - 8). He also calculates the number of cache lines as 64 (16 KB / 256 B), writing '6' under the 'Cache Line' section to indicate the log2 of the number of lines. He sets up the multiplication for the directory size: 2^6 * 9.
2:00 – 2:07 02:00-02:07
The instructor completes the calculation for the tag directory size. He writes the number '576' at the top right of the diagram, which is the result of 64 * 9. He emphasizes that the tag bits are 9. The visual focus remains on the diagram which clearly labels the 'Block Number' as 9 bits and 'Block Offset' as 8 bits. He confirms the final answer for the tag directory size calculation.
The lecture provides a comprehensive walkthrough of cache memory calculations. It highlights the importance of understanding address decomposition into tag, index, and offset fields. For fully associative mapping, the index is zero, and the entire block number serves as the tag. The instructor demonstrates how to derive the tag directory size by considering the number of lines and the tag length. This example serves as a practical application of theoretical concepts in computer organization.