Hardware Virtualisation

Duration: 1 min

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Module outline

  1. Communication Round: Vocabulary, Subject Verb Agreement (Verb Noun Agreement), Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Direct and Indirect Speech, Active Passive Voice (Voice), Verbal Analogy (Word Based Analogy), Articles, Preposition, Conjunction, Sentence Construction, English Writing Ability, Communication Assessment
  2. Quantitative Aptitude: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Speed Time and Distance, Percentage, Average, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Age Problems, Pipe and Cistern, Probability, Profit and Loss, Simple Interest and Compound Interest, Algebra
  3. Analytical and Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Logical Sequence Of Words, Puzzle Solving (Puzzles), Syllogisms, Seating Arrangements, Calendar, Clock, Blood Relations, Cubes & Dices, Venn Diagram, Analytical Reasoning (Counting Figures Reasoning)
  4. Cognizant Gaming Aptitude: Gamified / Game Based Aptitude
  5. Java (Cluster 1): Java
  6. ANSI SQL MySQL (Cluster 1,2,3): SQL
  7. HTML, CSS, JavaScript (Cluster 1,3): HTML, CSS, JavaScript
  8. Python (Cluster 2): Python for Placements by Yash Sir
  9. Cloud Fundamentals (Cluster 2): Emerging Tech Trends
  10. C# (Cluster 3): C#
  11. OOPs: Object Oriented Programming (OOPS)
  12. Technical Assessment (Coding): Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Pseudo Codes
  13. Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  14. DBMS: 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
  15. Operating Systems: 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
  16. 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, Network Security, Mobile Technology, Cloud Computing and IoT, Cyber and Info Security
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture on hardware virtualization, beginning with a definition of the concept. It explains that hardware virtualization uses a Virtual Machine Monitor (VMM) or hypervisor to create multiple virtual machines (VMs) on a single physical server, where each VM acts like a complete computer with its own operating system and applications, but shares the same physical hardware. The lecture then transitions to a slide titled 'Types of Hardware Virtualization,' which details three main types: Full Virtualization, where the guest OS is unmodified and the VMM emulates hardware completely (e.g., VMware Workstation, Oracle VirtualBox); Paravirtualization, where the guest OS is modified to interact with the VMM (e.g., Xen Hypervisor); and Hardware-Assisted Virtualization, which uses CPU extensions like Intel VT-x and AMD-V for direct virtualization support (e.g., KVM).

Chapters

  1. 0:00 – 1:09 00:00-01:09

    The video starts with a slide titled 'A. Hardware Virtualization' which defines the concept. The text explains that a Virtual Machine Monitor (VMM) or hypervisor creates multiple virtual machines (VMs) on a single physical computer, with each VM behaving like a complete computer with its own operating system and applications, but sharing the same physical hardware. The slide also states that a hypervisor communicates directly with the physical server's disk space and CPU to manage the VMs. The lecture then transitions to a new slide titled 'Types of Hardware Virtualization,' which lists three types: Full Virtualization, where the guest OS is unmodified and the VMM emulates hardware completely, with examples like VMware Workstation and Oracle VirtualBox; Paravirtualization, where the guest OS is modified to interact with the VMM, with Xen Hypervisor as an example; and Hardware-Assisted Virtualization, which uses CPU extensions (Intel VT-x, AMD-V) for direct virtualization support, with KVM as an example.

The lecture provides a structured overview of hardware virtualization, starting with a foundational definition and then categorizing the technology into three distinct types. It progresses from a general concept to specific implementations, highlighting the key differences in how the guest operating system interacts with the virtualization layer, from complete emulation to direct hardware support, which is crucial for understanding the performance and compatibility of different virtualization solutions.

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