Practice Question Finite State Machine

Duration: 1 min

This video lesson is available to enrolled students.

Return to /learn/HPSC-PGT-COMPUTER-SCIENCE/theory-of-computation/deterministic-fa-dfa/dfa-basics-definitions/asset-practice-question-finite-state-machine after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. HPSC Interview Preparation: Interview Preparation
  2. Python Language: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  3. Data Structure & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Sorting Algorithms, Minimum Spanning Trees, Time Complexity Analysis, Graph Theory, Shortest Path Algos
  4. Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security
  5. Computer System & Organisation: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Programming the Basic Computer
  6. Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Transaction Management, Concurrency Control
  7. Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling
  8. Digital Logic & Circuits: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  9. Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Pushdown Automata & CFG, Turing Machines, Moore & Mealy Machines
  10. Compiler Design: 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
  11. Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, Data Warehousing & Mining
  12. Introduction to Emerging Trends: Emerging Tech Trends
  13. Digital Society & Cyber Law: Society, Law & Ethics
  14. HPSC PGT Previous Year Paper:
  15. HPSC Assistant Professor Previous Year Paper:
  16. Live Sessions: HPSC Live Sessions, EMRS TGT/PGT Live Class
  17. Full Mock Test:
  18. HPSC PGT - MOCK Test Series:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video features an educational segment analyzing a Finite State Machine (FSM) problem. The question asks what language the FSM accepts over the alphabet {a, b}. The diagram shows a single state labeled $q_0$ with an incoming arrow indicating it is the start state. A self-loop connects $q_0$ to itself, labeled with "a, b". The instructor highlights a critical detail: the state $q_0$ is a single circle, not a double circle. In standard FSM notation, a double circle denotes an accepting state. Since no state is marked as accepting, the machine accepts no strings. The slide also displays the text 'SANCHIT JAIN SIR'.

Chapters

  1. 0:00 – 0:42 00:00-00:42

    The instructor begins by reading the question text: "The FSM over an alphabet {a, b} shown in the figure accepts". He points to the diagram, identifying the single node $q_0$ as the start state. He explains the self-loop transition labeled "a, b". He then draws attention to the fact that there is no double circle around the state. He explains that without a final state, the set of accepted strings is empty. He explicitly selects option (b) "no stings" from the list provided on the screen, which includes options like "all stings" and "$\epsilon$ - alone". The options are listed as a, b, c, and d.

This short clip effectively teaches the importance of final states in automata theory. By visually inspecting the diagram for the specific symbol (double circle) that denotes acceptance, the student learns to determine the language accepted by the machine. The absence of this symbol leads directly to the conclusion that the language is empty. This reinforces the standard convention used in computer science education.

Loading lesson…