Practice Question
Duration: 1 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- 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
- 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
- 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)
- Cognizant Gaming Aptitude: Gamified / Game Based Aptitude
- Java (Cluster 1): Java
- ANSI SQL MySQL (Cluster 1,2,3): SQL
- HTML, CSS, JavaScript (Cluster 1,3): HTML, CSS, JavaScript
- Python (Cluster 2): Python for Placements by Yash Sir
- Cloud Fundamentals (Cluster 2): Emerging Tech Trends
- C# (Cluster 3): C#
- OOPs: Object Oriented Programming (OOPS)
- Technical Assessment (Coding): Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Pseudo Codes
- Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
- 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
- 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
- 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 features an educational lecture by Sanchit Jain from Knowledge Gate regarding operating system process states. The central question displayed on the screen asks to identify the specific characteristic of a task currently in a "blocked state". The instructor systematically evaluates four multiple-choice options to determine the correct definition. He begins by analyzing the term "blocked state" and proceeds to eliminate incorrect options based on standard OS process management principles. He explicitly marks options (a), (b), and (c) as incorrect through visual cues. Finally, he identifies option (d) as the correct answer, explaining that a blocked task is waiting for resources.
Chapters
0:00 – 0:41 00:00-00:41
The instructor introduces the question "A task in a blocked state" and underlines the key phrase "blocked state". He reads through four options: (a) is executable, (b) is running, (c) must still be placed in the run queues, and (d) is waiting for some temporarily unavailable resources. He uses red digital ink to cross out options (a), (b), and (c) sequentially, indicating they are false. He concludes by underlining option (d) and placing checkmarks next to it, confirming that a blocked task waits for temporarily unavailable resources.
The lesson progresses from identifying the core concept of a blocked process to eliminating distractors. By visually crossing out options that describe active or ready states, the instructor reinforces the definition of a blocked state as a passive waiting state for resources. This visual elimination process helps students distinguish between running, ready, and blocked states.