What is Big Data

Duration: 2 min

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Module outline

  1. Quantitative Ability: Percentage, Profit and Loss, Ratio and Proportion (Ratios), Average, Time and Work, Speed Time and Distance, Simple Interest and Compound Interest, Age Problems, Number System, Divisibility Rules, HCF LCM, Algebra, Permutation and Combination, Probability, Data Interpretation, Logarithm, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Speed Mathematics and Basic Mathematics
  2. Logical Reasoning: Seating Arrangements, Puzzle Solving (Puzzles), Data Arrangement, Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Data Sufficiency, Venn Diagram, Inequality, Series (Number and Letter Series) (Numerical Relations and Reasoning), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning)
  3. Verbal Ability: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Subject Verb Agreement (Verb Noun Agreement), Tenses, Articles, Preposition, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Vocabulary, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Completion (Fill in the blanks), Sentence Correction (Error Correction), Cloze Test (Cloze Passage), Facts, Inference and Judgements
  4. Programming Fundamentals (Technical): C Fundamentals
  5. Data Structures (Technical): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  6. Algorithms (Technical): Algorithm Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Time Complexity Analysis, Advanced Algorithms
  7. OOPs (Technical): Object Oriented Programming (OOPS)
  8. DBMS (Technical): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  9. SQL (Technical): SQL
  10. Operating Systems (Technical): Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  11. Computer Networks (Technical): 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, Network Security, Cloud Computing and IoT, Cyber and Info Security
  12. Software Engineering (Technical): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  13. Coding/Automata Round: Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir, Pseudo Codes
  14. Personality / Behavioral Assessment: Behavioral Assessment (Behavioral Competency Profiling) (Psychometric Test)
  15. Writing Assessment: English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture on the definition of Big Data, displayed on a PDF slide titled 'What is Big Data?'. The instructor explains that Big Data is a collection of large and complex datasets that cannot be processed using traditional computing techniques. The definition is broken down into three key points: the nature of the data (large and complex), the limitation of traditional methods, and the continuous act of generating, capturing, and processing enormous amounts of data. The instructor writes 'Relational Databases' and 'Multi-media' on the slide, and later adds 'Stream' and 'Sensor' to illustrate data sources. The term 'Genetic' is also written, likely referring to genetic data as another source. The instructor uses a yellow highlighter to emphasize the phrase 'enormous amounts of data on a continuing basis'. The video concludes with the slide transitioning to a new section titled 'Big Data Driving Factors'.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video shows a lecture slide titled 'What is Big Data?'. The instructor defines Big Data as a collection of large and complex data sets that cannot be processed using traditional computing techniques. The definition is presented in three bullet points. The instructor writes 'Relational Databases' and 'Multi-media' on the slide, then adds 'Stream' and 'Sensor' to illustrate data sources. The term 'Genetic' is also written. The instructor uses a yellow highlighter to emphasize the phrase 'enormous amounts of data on a continuing basis'. The slide transitions to a new section titled 'Big Data Driving Factors' at the end of the clip.

The lecture provides a foundational definition of Big Data, emphasizing its scale, complexity, and the need for non-traditional processing methods. The instructor uses the slide to build the definition incrementally, adding examples of data sources like relational databases, multimedia, streams, sensors, and genetic data. The key takeaway is that Big Data is not just about volume but also about the continuous and complex nature of data generation and processing, which necessitates new technologies and approaches.

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