Practise Questions (Python Module) (Q11-20)

Duration: 4 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Section 1 | Language (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, संधि, समास, 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), वर्णमाला
  3. Section 1 | Language (उर्दू भाषा — 22 प्रश्न (निश्चित)): Spelling & Diacritics, Grammar (اسم, فعل, صفت, ضمیر), Vocabulary, Idioms & Proverbs, Comprehension
  4. Section 1 | Language (বাংলা / बांग्ला भाषा — 22 प्रश्न (निश्चित)): Bangla Script and Sounds, Bangla Grammar and Usage, Bangla Word Formation and Vocabulary, Reading and Text Interpretation
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Verb, Adverb, Preposition, Articles, Determiner, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Mensuration and Geometry, Age Problems, Arithmetic, Powers and Exponents (Surds and Indices), Algebra, Probability, Trigonometry, Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence
  7. Section 2 | General Awareness (GK + Current Affairs): Polity, Physics, Biology, State Wise GK, Chemistry, History, Geography, Indian Economy, Environment, GK- Current Affairs, Static General Knowledge
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | 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, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
  23. BPSC Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a lecture on Python modules, focusing on the math, random, and statistics modules. The instructor presents a series of multiple-choice questions to test understanding. The first section covers the math module, explaining that math.cos(0) returns 1 and math.tan(0) returns 0. The second section focuses on the random module, identifying it as the correct module for generating random numbers, and explaining that random.random() returns a float between 0 and 1, while random.randint(1,5) returns an integer between 1 and 4. The final section covers the statistics module, identifying it as the correct module for statistical calculations, and explaining that statistics.mean([2,4,6]) returns 4 and statistics.median([1,3,5,7]) returns 4. The instructor uses a digital whiteboard to write and draw, and the video includes a brief interruption with a 'No Signal' error message.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video begins with a presentation of multiple-choice questions about Python modules. Question 11 asks for the value of math.cos(0), with options 0, 1, -1, and Error. The instructor explains that the cosine of 0 is 1, so the correct answer is B. Question 12 asks what math.tan(0) returns, with options 1, 0, undefined, and Error. The instructor explains that the tangent of 0 is 0, so the correct answer is B. Question 13 asks which module is used to generate random numbers, with options math, statistics, random, and number. The instructor identifies the random module as the correct answer, C. Question 14 asks what random.random() returns, with options Integer between 0 and 1, Float between 0 and 1, Integer only, and Boolean value. The instructor explains that random.random() returns a float between 0 and 1, so the correct answer is B. Question 15 asks what random.randint(1,5) can return, with options 1 to 4, 1 to 5, 0 to 5, and 0 to 4. The instructor explains that randint returns an integer from the start (inclusive) to the stop (exclusive), so it can return 1 to 4, making A the correct answer.

  2. 2:00 – 4:13 02:00-04:13

    The lecture continues with question 16, which asks which function generates numbers excluding the stop value. The options are randint(), random(), randrange(), and choice(). The instructor explains that randrange() is the correct function, as it excludes the stop value, making C the correct answer. Question 17 asks what random.randrange(2,10,2) can return, with options 2,4,6,8; 2 to 10; 2,6,10; and Only 2. The instructor explains that the function generates numbers from 2 to 10 with a step of 2, so the possible values are 2, 4, 6, and 8, making A the correct answer. Question 18 asks which module is used for statistical calculations, with options math, random, statistics, and data. The instructor identifies the statistics module as the correct answer, C. Question 19 asks what statistics.mean([2,4,6]) returns, with options 4, 6, 2, and Error. The instructor calculates the mean as (2+4+6)/3 = 12/3 = 4, so the correct answer is A. Question 20 asks what statistics.median([1,3,5,7]) returns, with options 3, 5, 4, and Error. The instructor explains that the median of an even number of values is the average of the two middle values, so (3+5)/2 = 8/2 = 4, making C the correct answer. The video ends with a brief interruption showing a 'No Signal' error message.

The video provides a comprehensive review of three essential Python modules: math, random, and statistics. It progresses from basic trigonometric functions to random number generation and finally to statistical analysis. The instructor uses a clear, step-by-step approach, presenting questions and then explaining the correct answers with reasoning and calculations. The use of a digital whiteboard for writing and drawing helps to visually reinforce the concepts, making it an effective study resource for understanding these core Python functionalities.

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