11.4 Practice Question
Duration: 4 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- About Course: UPPSC Course Overview
- Interview Preparation & Guidance: Interview Preparation
- Paper 1 | General Hindi: हिन्दी की रूप रचना, वर्णमाला, समास, बहु-विषयक सामग्री (विभिन्न अवधारणाओं को जोड़ने वाली सामग्री), हिन्दी की ध्वनि और स्वनिम व्यवस्था, प्राचीन और मध्यकालीन भारतीय आर्यभाषाएँ, काव्य के लक्षण, हेतु और प्रयोजन, हिन्दी शब्द रचना, हिन्दी साहित्येतिहास दर्शन, भक्तिकालीन काव्यधाराएँ, भारतीय काव्यशास्त्र की परंपरा, भारतीय नवजागरण और स्वाधीनता आंदोलन, अन्य गद्य विधाएँ एवं प्रवासी साहित्य, निर्धारित उपन्यासों का तुलनात्मक अध्ययन, गोदान, हिन्दी कहानी का विकास, स्वातंत्र्योत्तर और नयी कहानी, हिन्दी निबंध का विकास, शुक्लोत्तर निबंध, द्विवेदी और शुक्ल युग के निबंध, हिन्दी की संवैधानिक स्थिति, आधुनिक भारतीय आर्यभाषाएँ और हिन्दी का उद्भव, हिन्दी भाषा प्रयोग के विविध रूप, रीतिकाल, जीवनी, द्विवेदी युग और छायावाद, रीति, वक्रोक्ति और औचित्य सिद्धान्त, शब्दशक्ति और ध्वनि सिद्धान्त, रस सिद्धान्त और साधारणीकरण, उत्तर आधुनिकतावाद, लोहिया दर्शन, हिन्दी उपन्यास का विकास, हिन्दी नवजागरण, अंबेडकर दर्शन, आदिकाल, प्रयोगवाद और नयी कविता, छायावादी काव्य: प्रसाद और निराला, प्रगतिवाद से समकालीन कविता, निर्गुण भक्ति काव्य, द्विवेदीयुगीन काव्य, रीतिकालीन काव्य, आरंभिक हिन्दी उपन्यास, स्वातंत्र्योत्तर उपन्यास, आत्मकथा, स्वाधीनता-पूर्व प्रेमचंदोत्तर उपन्यास, निर्धारित कहानियों का तुलनात्मक अध्ययन, साठोत्तरी नाटक, प्रसाद और प्रसादोत्तर युग के नाटक, भारतेन्दु युगीन नाटक, स्वातंत्र्योत्तर नाटक, भारतेन्दु युगीन निबंध, संस्मरण और रेखाचित्र, व्यंग्य, एक साहित्यिक की डायरी, संस्कृति के चार अध्याय, सगुण भक्ति काव्य, हिन्दी नाटक, एकांकी और रंगमंच, आधुनिक गद्य और हिन्दी नवजागरण, अलंकार सिद्धान्त, हिन्दी आलोचना का विकास, भक्ति आंदोलन, कल्पना, बिम्ब, प्रतीक, मिथक और फंतासी, नयी कविता का विस्तार और साठोत्तरी कविता, उत्तर-छायावादी और प्रगतिवादी काव्य, काव्यगुण और काव्यदोष, प्लेटो, अरस्तू और पाश्चात्य परंपरा, मार्क्सवाद, स्वच्छन्दतावादी काव्यशास्त्र, आधुनिक पाश्चात्य आलोचना, भाषा और भाषा परिवार, देवनागरी लिपि
- Paper 2 | General Studies: State Wise GK / राज्यवार सामान्य ज्ञान (GK), Polity / राजव्यवस्था, Geography / भूगोल, History / इतिहास, GK- Current Affairs / GK- समसामयिकी, Indian Polity and Governance (Legacy Unit 10) / भारतीय राजव्यवस्था और शासन (पुराना यूनिट 10)
- Paper 1 | Programming Language: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, OOPS with C++
- Paper 1 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, ORDBMS, NoSQL
- Paper 1 | Cyber Security: Computer Fundamentals and Hardware, Literal Comprehension, Computer Software, Inferential Comprehension, Critical Comprehension, Internet and World Wide Web, Email and Online Communication, Cyber Security, Waste Management / अपशिष्ट प्रबंधन, Digital Ethics, IPR and Society, Digital and New Media / डिजिटल एवं नव माध्यम, Research Ethics / शोध नैतिकता, Emerging Technologies, ICT in Education and Governance, Society, Law & Ethics, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security, Ethical Hacking, Protection of Geographical Indications / भौगोलिक संकेतों का संरक्षण
- Paper 1 | Computer Organization and Architecture: Basics of COA, Programming the Basic Computer, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Register Transfer and Microoperations, Control Unit Design
- Paper 1 | 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
- Paper 1 | Design and Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
- Paper 1 | Data Structures: Introduction to DS, Array, Linked List, Stack, Queue, Tree, Graphs, Hashing
- Paper 1 | Discrete Structures and Theory of Logic: Permutation, Combination and Probability / क्रमचय, संचय एवं प्रायिकता, Set Theory, Relations, Functions, Propositional and Predicate Logic, Graph Theory, Group Theory
- Paper 1 | Software Project Management: Software Project Management
- Paper 2 | Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Unix OS, Linux OS, Security
- Paper 2 | 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, Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Pushdown Automata & CFG, Complexity Theory
- Paper 2 | Artificial Intelligence & High Performance Computing: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Natural Language Processing, Cloud and Distributed Computing
- Paper 2 | Image Processing: Digital Image Fundamentals, Image Enhancement, Image Restoration, Color Image Processing, Image Compression
- Paper 2 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
- Paper 2 | Computer Graphics: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing
- Paper 2 | Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, HTML Basics, JavaScript-Basics, Java
- Paper 2 | Soft Computing: Fuzzy Sets, Artificial Neural Networks, Genetic Algorithms
- Paper 2 | Distributed System: Distributed Systems
- UPPSC Live Class Recordings: UPPSC Polytechnic Lecturer 2025 (CS)
- Previous Year Papers:
- Mock Test:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This educational video segment presents a practice question on algebraic structures, specifically focusing on the set of integers Z under a binary operation defined as a * b = max(a, b). The instructor guides students through the process of classifying this system by testing fundamental algebraic properties. Initially, the problem is introduced with four options: Algebraic structure, semi-group, Monoid, and group. The instructor begins by explicitly writing the operation definition on the board to establish the context for analysis. He then proceeds to systematically evaluate the associative property, a critical requirement for semi-groups and higher structures. The analysis involves writing out expressions like (a * b) * c to verify if the operation holds associativity. Subsequently, the instructor investigates the existence of an identity element 'e', which is necessary for a monoid or group. He sets up the equation a * e = e * a = a and deduces that no such integer 'e' exists because max(a, e) would require e to be smaller than any possible integer. This logical deduction leads to the conclusion that while the system satisfies associativity, it lacks an identity element, thereby classifying it as a semi-group rather than a monoid or group.
Chapters
0:00 – 2:00 00:00-02:00
The video opens with a multiple-choice question displayed on screen asking to classify the set of integers Z under the operation a * b = max(a, b). The instructor writes this definition clearly on the board and lists four options: a) Algebraic structure, b) semi-group, c) Monoid, d) group. He begins the analysis by writing 'a)' to indicate the start of his evaluation process. The instructor explicitly defines the binary operation and prompts students to consider which algebraic structure fits best, setting up the problem for systematic property testing.
2:00 – 4:05 02:00-04:05
The instructor continues the analysis by checking for associativity, writing expressions such as (a * b) * c to verify the property. He then shifts focus to testing for an identity element 'e' by writing a * e = e * a = a. Through logical deduction, he explains that no integer 'e' can satisfy this condition because max(a, e) = a implies e must be less than or equal to all integers. This leads to the conclusion that no identity exists in Z for this operation, ruling out Monoid and group classifications. The instructor effectively demonstrates how to eliminate incorrect options by verifying algebraic properties step-by-step.
The lecture segment effectively demonstrates the methodical classification of algebraic structures by testing specific properties. The core concept involves distinguishing between semi-groups, monoids, and groups based on associativity and the existence of an identity element. The instructor uses a concrete example with integers and the maximum function to illustrate that while associativity holds for max(a, b), the lack of a lower bound in integers prevents an identity element from existing. This practical application reinforces theoretical definitions and provides students with a clear framework for solving similar classification problems in abstract algebra.

