Practice Question Finite State Machine

Duration: 1 min

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  1. About Course: UPPSC Course Overview
  2. Interview Preparation & Guidance: Interview Preparation
  3. Paper 1 | General Hindi: भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, विशेषण और क्रिया, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, वर्णमाला, समास, संधि, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, मुहावरे और लोकोक्तियाँ, अपठित गद्यांश और अपठित पद्यांश, Multi-Topic Content (Cross-Concept Material)
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  16. Paper 2 | Artificial Intelligence & High Performance Computing: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Natural Language Processing, Emerging Tech Trends
  17. Paper 2 | Image Processing: Digital Image Fundamentals, Image Enhancement, Image Restoration, Color Image Processing, Image Compression
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  21. Paper 2 | Soft Computing: Fuzzy Sets, Artificial Neural Networks, Genetic Algorithms
  22. Paper 2 | Distributed System: Distributed Systems
  23. UPPSC Live Class Recordings: UPPSC Polytechnic Lecturer 2025 (CS)
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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.

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