Bandwidht Vs Throughput

Duration: 4 min

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Module outline

  1. Numerical Ability & Problem Solving: Speed Mathematics and Basic Mathematics, Arithmetic, Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Simple Interest and Compound Interest, Mixture and Alligation, Time and Work, Pipe and Cistern, Speed Time and Distance, Age Problems, Partnership, Data Interpretation, Mental Ability, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Algebra, Statistics, Logarithm, Mensuration and Geometry, Permutation and Combination, Probability, Sequences and Series, Powers, Surds and Logarithms, Subject-Verb Agreement, Sentence Completion, Geometry, Sentence Structure and Correction, Data Sufficiency, Trigonometry, Measurement and Quantity Take-Off, Signal Space and Optimum Detection, Probability, Statistics, Algebra, Time and Work, Speed, Time and Distance, Data Interpretation, Combinatorics
  2. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Logical Sequence Of Words, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, Selection Decision Table (Decision Making), Alphabet and Word Tests, Numerical Reasoning, Number System, Averages, Mixtures and Alligation, Percentages, Series Completion, Analogy and Classification, Patterns in Two-Dimensional Figures, Coding and Decoding, Mathematical Operations, Direction Sense, Logical Deduction and Induction, Syllogisms and Venn Diagrams, Critical Reasoning, Order, Ranking and Sequence, Reading Comprehension, Profit, Loss and Discount, Constraint Puzzles, Traverse Surveying, Ratio and Proportion, Mensuration, Permutations and Combinations, Clocks and Calendars, Assembling and Grouping of Shapes, Transformation of Shapes, Three-Dimensional Patterns and Visualization, Cubes and Dice, Vocabulary, Blood Relations
  3. General Knowledge & Current Affairs (India + Rajasthan): History, Geography, Polity, Indian Economy, Static General Knowledge, State Wise GK, GK- Current Affairs, Environment, Physics
  4. Computer Fundamentals & Operating Systems: Basics of COA, Floating Point Rep, Digital Systems & Boolean Basics, Number Representation, Number System, Introduction to OS, File Management, Windows OS, Unix OS, Linux OS, Register Transfer and Microoperations, Virtual Memory
  5. Computer Networks: Introduction to CN, Data Communication, DLL: Error Control, DLL: Access Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Application Layer, Hardware Basics, Network Security
  6. Cyber Security: 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, Ethical Hacking
  7. Programming (C & OOP): C Fundamentals, Control Flow, Arrays & Pointers, Functions, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, OOPS with C++, Operators & Expressions, Sorting Algorithms, Java Fundamentals, Java
  8. MS Office & Data Processing: MS Office Applications, Basics of DBMS
  9. Internet & Web Technology: Society, Law & Ethics, Terms & Abbreviations, Keyboard Shortcuts, Emerging Tech Trends, Artificial Intelligence, Emerging Technologies, Internet Fundamentals, Website, Browser & Services, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video provides a clear comparison between bandwidth and throughput, two fundamental concepts in computer networking. The lecture begins by defining bandwidth as the maximum potential capacity of a link, which is a theoretical limit, and states its units are Hertz (Hz) for analog and bits per second (bps) for digital. A diagram illustrates bandwidth as a wide pipe. The video then transitions to define throughput as the actual amount of data successfully transmitted over a specific time, which is typically lower than bandwidth due to delays. The instructor presents the formula for throughput: (Number of Frames × Frame Size) / Total Time in Seconds. To demonstrate the calculation, a worked example is provided: with a bandwidth of 10 Mbps, 2000 frames, each 1000 bytes in size, and a total time of 60 seconds, the throughput is calculated to be 2 Mbps. The video concludes by emphasizing that throughput is the real-world performance, while bandwidth is the theoretical maximum.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video starts with a slide defining bandwidth. The on-screen text states: 'Definition: The maximum potential capacity of a link. It is the theoretical limit of how much data could be sent.' It also specifies the units: 'Unit: Hz (for analog) or bps (for digital).' A diagram on the slide visually represents bandwidth as a wide pipe, labeled 'Bandwidth', and contrasts it with a narrower pipe labeled 'Throughput'. The instructor explains that bandwidth is the theoretical maximum capacity of a link, which is a fixed value. He then writes '= 10 Mbps' on the whiteboard to provide a concrete example of a bandwidth value.

  2. 2:00 – 3:46 02:00-03:46

    The video transitions to a new slide titled 'Throughput'. The definition provided is: 'The actual amount of data that is successfully transmitted at a specific time. Throughput is usually lower than bandwidth due to delay.' The instructor then writes the formula for throughput on the whiteboard: 'Throughput Formula = (Number of Frames × Frame Size) / Total Time in Seconds'. He proceeds to solve a numerical example, writing the values: 'BW = 10 Mbps', 'Number of Frames = 2000', 'Frame Size = 1000 bytes', and 'Total Time = 60 seconds'. He calculates the total data as 2,000,000 bytes and the throughput as 2 Mbps, demonstrating that the actual throughput is significantly less than the theoretical bandwidth.

The video effectively teaches the distinction between bandwidth and throughput by first establishing bandwidth as the theoretical maximum capacity of a network link, using a clear definition and a visual metaphor of a pipe. It then introduces throughput as the practical, real-world data transfer rate, which is always less than or equal to the bandwidth. The core of the lesson is the application of a formula to calculate throughput, which is demonstrated through a step-by-step numerical example. This progression from abstract definition to concrete calculation solidifies the understanding that bandwidth is a potential, while throughput is the actual performance.

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