Hardware Virtualisation
Duration: 1 min
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Inside: a video lesson and guided study material.
Module outline
- Quantitative Aptitude: Number System, Percentage, Profit and Loss, Ratio and Proportion (Ratios), Average, Time and Work, Speed Time and Distance, Simple Interest and Compound Interest, Mixture and Alligation, Data Interpretation, Permutation and Combination, Probability, Logarithm, Powers and Exponents (Surds and Indices), Age Problems, Divisibility Rules, Partnership, HCF LCM, Algebra, Pipe and Cistern
- Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Analogy, Coding Decoding, Blood Relations, Directions (Direction Test), Syllogisms, Logical Sequence Of Words, Data Sufficiency, Seating Arrangements, Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Arrangement
- English Language: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Vocabulary, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Active Passive Voice (Voice), Direct and Indirect Speech, Cloze Test (Cloze Passage), Tenses, Subject Verb Agreement (Verb Noun Agreement), Preposition, Articles, Conjunction, Adverb
- Written English Test: English Writing Ability
- Coding: Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir
- Communication Round: Communication Assessment
- DBMS (Technical Interview): 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, Big Data Systems, NoSQL, Data Warehousing & Mining
- SQL (Technical Interview): SQL
- Operating Systems (Technical Interview): 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
- Computer Networks (Technical Interview): 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
- OOPs (Technical Interview): Object Oriented Programming (OOPS)
- HR Interview: MR & HR Interview Preparation
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
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.