Practice Question

Duration: 2 min

This video lesson is available to enrolled students.

Return to /learn/NIACL-AO-IT-SPECIALIST/operating-system-it-specialist/process-management/process-state-lifecycle/asset-practice-question-3629 after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. Quantitative Aptitude: Ratio and Proportion (Ratios), Data Interpretation, Mixture and Alligation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Speed Mathematics and Basic Mathematics, Algebra, Percentage, Profit and Loss, Simple Interest and Compound Interest, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Partnership
  2. Reasoning Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Seating Arrangements, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Syllogisms, Blood Relations, Puzzle Solving (Puzzles), Inequality, Machine Input-Output
  3. English Language: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, 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), Sentence Construction, Pronoun, Preposition, Conjunction, Adverb, Verb, Modals, Articles, Determiner, Interjection
  4. General Awareness: Evolution of Indian Banking (Banking & Financial Awareness), GK- Current Affairs, Static General Knowledge, Indian Economy
  5. C Concepts + MCQs (IT Specialist): C Programming by Yash Sir, C Language Core
  6. Java (IT Specialist): Java
  7. Python (IT Specialist): Python for Placements by Yash Sir, Python Basics
  8. OOPs (IT Specialist): Object Oriented Programming (OOPS)
  9. DBMS (IT Specialist): 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
  10. SQL (IT Specialist): SQL
  11. Software Engineering (IT Specialist): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  12. Data Structure (IT Specialist): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  13. Operating System (IT Specialist): 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
  14. Compiler Design (IT Specialist): Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  15. Computer Architecture (IT Specialist): Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Multiprocessors, Programming the Basic Computer
  16. Data Communication & Networking (IT Specialist): 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
  17. Descriptive Test (Main Exam): English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video features an instructor solving a classic operating system problem regarding process states. The problem asks for the minimum and maximum number of processes that can be in the ready, run, and blocked states given a system with P CPUs and n processes, assuming p<<n. The instructor systematically fills a table to answer this specific question. For the Ready state, the minimum is 0 and the maximum is n-P. For the Run state, the minimum is 0 and the maximum is P. For the Block state, the minimum is 0 and the maximum is n. The assumption p<<n is highlighted as a key constraint in the problem statement, implying that the number of processes is significantly larger than the number of CPUs. The instructor uses a digital slide to present the problem.

Chapters

  1. 0:00 – 1:48 00:00-01:48

    The instructor starts by reading the problem statement from the slide: 'On a system with P CPUs and n processes, what is the minimum and maximum number of processes that can be in the ready, run, and blocked states, assuming p<<n?' He circles 'P CPUs' and 'n processes' to define the variables clearly. He then begins filling a table with rows for Ready, Run, and Block, and columns for Min and Max. For the Ready state, he explains the minimum is 0 because all processes could be running or blocked. He writes '0'. For the maximum, he argues that if all P CPUs are busy, the remaining n-P processes must be ready. He writes 'n-P'. For the Run state, the minimum is 0 (idle system), and the maximum is P (all CPUs busy). He writes '0' and 'P'. For the Block state, the minimum is 0 (no I/O wait), and the maximum is n (all processes blocked). He writes '0' and 'n'. He uses a pen to write these values directly on the slide, ensuring the logic is visible to the students watching the lecture. The instructor emphasizes that the sum of processes in all states must equal n, which is a fundamental property of process management. He also notes that the maximum number of processes in the ready state is n-P because P processes are running, leaving the rest waiting. He speaks clearly and methodically throughout the explanation.

The lesson demonstrates how physical hardware constraints (P CPUs) and total workload (n processes) define the theoretical bounds of process states in an operating system scheduler, providing a clear example of resource allocation limits and state transitions. It highlights the relationship between CPU capacity and process queuing.

Loading lesson…