Executive - Naming Objects
Duration: 3 min
This video lesson is available to enrolled students.
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 the Windows 7 executive's object naming and memory management. It begins by explaining that the Windows 7 executive allows most objects to be named, with exceptions for processes, threads, and some other object types. Object names are structured like file paths, similar to MS-DOS and UNIX. The lecture then details the symbolic link object, which functions like a symbolic link in UNIX, allowing multiple nicknames or aliases to refer to the same object. The process of obtaining an object handle is described, including creating an object, opening an existing one, receiving a duplicated handle, or inheriting a handle from a parent process. Finally, the video transitions to the Virtual Memory Manager, stating that its design assumes the underlying hardware supports a transparent virtual-to-physical mapping paging mechanism.
Chapters
0:00 – 2:00 00:00-02:00
The video displays a slide titled 'Executive — Naming Objects'. The instructor explains that the Windows 7 executive allows almost any object to be given a name, which can be permanent or temporary, with exceptions for processes, threads, and some other object types. The text on the slide states that object names are structured like file path names in MS-DOS and UNIX. The instructor then discusses the 'symbolic link object' in Windows 7, which is similar to symbolic links in UNIX, allowing multiple nicknames or aliases to refer to the same file. The slide also explains that a process gets an object handle by creating, opening, receiving a duplicated handle, or inheriting a handle from a parent process. The final point on the slide states that each object is protected by an access control list.
2:00 – 2:49 02:00-02:49
The video continues with the same slide on 'Executive — Naming Objects', with the instructor adding handwritten notes. The instructor circles 'symbolic link object' and writes 'Link' and 'Symbolic' next to it. They also circle 'thread' and 'some others object types' and write 'Shared' next to it. The instructor then circles 'create object' and writes 'Create Object' and 'Open' next to it. The instructor circles 'access control list' and writes 'Access Control List' next to it. The video then transitions to a new slide titled 'Executive — Virtual Memory Link Object', which begins to discuss the design of the VM manager assuming the underlying hardware supports virtual to physical mapping and a paging mechanism.
The lecture progresses from the concept of naming objects in the Windows 7 executive to the mechanisms for managing them. It first establishes that objects can be named and accessed via handles, with a special 'symbolic link' object enabling multiple aliases. The methods for acquiring a handle are then detailed. The lesson concludes by transitioning to the Virtual Memory Manager, setting the stage for a discussion on how the system manages memory, which is a fundamental component of the executive's overall function.