Type 6.3 Important Practice Questions

Duration: 11 min

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Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. Section A: General Awareness: Polity, Physics, Biology, Chemistry, Static General Knowledge, History, Geography, Indian Economy, GK- Current Affairs, Evolution of Indian Banking (Banking & Financial Awareness), Environment
  3. Section A: General Intelligence & Reasoning ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Blood Relations, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Directions (Direction Test), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Crypt Arithmetic, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, TCS NQT Advanced Reasoning Ability
  4. Section A: Arithmetical & Numerical Ability: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, Mensuration and Geometry, Powers and Exponents (Surds and Indices), Algebra, Probability, Mental Ability, Age Problems, Partnership, Statistics, Arithmetic, Speed Mathematics and Basic Mathematics, Miscellaneous
  5. Section A: English Language & Comprehension: Vocabulary, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Articles, Sentence Construction, Preposition, Direct and Indirect Speech, Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Modals, Active Passive Voice (Voice), Sentence Correction (Error Correction), Adverb, Conjunction, Cloze Test (Cloze Passage)
  6. Section A: Hindi Language & Comprehension: 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
  7. Section B: Programming, Data Structures, OOP & Java: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Language Design, Intro to Compilers, Visual Basics, Syntax Analysis: Bottom-Up, Object Oriented Technology
  8. Section B: Computer Networks, TCP/IP & Network Security: Introduction to CN, Data Communication, DLL: Flow Control, DLL: Access 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, Network Access Technologies, Network Security, Society, Law & Ethics, Mobile Computing, Net Layer:Routing Protocol, Cyber Safety and Security
  9. Section B: Teaching Methodology: Child Development, Concept of Pedagogy, Theories, Inclusive Education, Experiential Pedagogy, Assessment & Evaluation, Curriculum Framework & Reforms, National Education Policy (NEP) 2020, Psychology, Teaching-Learning Process, Personality Development, Teaching Methods & Strategies, Learning and Motivation, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Nature, Objectives & Characteristics of Teaching, Teaching-Learning Aids & ICT Integration, Classroom Management & Communication, Evaluation, Assessment & Measurement, Curriculum & School Environment, Inclusive Education & Special Needs, Professional Development & Ethics
  10. Section B: Digital Electronics / Boolean Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Analog-Digital Conversion
  11. Section B: Operating Systems & Linux: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, File Management, Disc Scheduling, Unix OS, Linux OS, Distributed Systems, Windows OS
  12. Section B: Data Base Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, File Organization & Indexing, Transaction Management, Concurrency Control, Database Security & Authorization, Database Recovery, Data Warehousing & Mining
  13. Section B: Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, HTML Basics, CSS, Emerging Technologies, JavaScript-Basics, .Net Programming, Electronic Data Interchange and E-Commerce, XML
  14. Section B: Computer Fundamentals, IT Basics & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design, Programming the Basic Computer, Terms & Abbreviations, MS Office Applications, Instr Formats & Modes, Floating Point Rep
  15. Section B: Python Language: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  16. Section B: Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, extras, Fundamentals of Systems and Information Systems
  17. Section B: Design & Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  18. Section B: Mathematics: Linear Algebra, Calculus, Trigonometry, Vectors, Set Theory, Functions, Relations, Propositional and Predicate Logic, Research Process Steps, Graph Theory
  19. Section B: Computer Graphics, Multimedia & Mobile Computing: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, Multimedia
  20. Section B: Emerging Trends: Emerging Tech Trends, Knowledge Representation, Natural Language Processing
  21. DSSSB Previous Year Paper:
  22. Business Studies and Management: Business Communication, Business Organization and Management, Financial Accounting, Business Economics, Management Information System (MIS), Knowledge Management & New Economy
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video is a lecture on coding-decoding problems, a common topic in competitive exams. The instructor, Yash Jain, begins by introducing the concept of a coding system where each letter is assigned a number. He demonstrates a specific example where the word 'MONKEY' is coded as 'KMLICW', and the word 'ORANGE' is to be decoded. The solution is derived by identifying a pattern: each letter in the original word is shifted backward by two positions in the alphabet (a ROT13 cipher). The video then transitions to a series of practice questions. The first question shows 'ACID' coded as '1C3D', which is a substitution cipher where the letter 'C' is replaced by the number '3'. The second question shows 'ACID' coded as '1233', which is a positional cipher where each letter is replaced by its position in the alphabet (A=1, C=3, I=9, D=4). The instructor systematically works through these problems, explaining the logic and method for each type of coding-decoding puzzle. The video concludes with a final 'THANKS FOR WATCHING' screen.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title slide titled 'CODING DECODING'. It presents a problem: 'MONKEY' is coded as 'KMLICW', and the task is to decode 'ORANGE'. The instructor explains the pattern by showing the alphabetical positions of the letters in 'MONKEY' (13, 15, 14, 11, 5, 25) and the corresponding coded numbers (11, 13, 9, 3, 3, 23). He identifies that each number is reduced by 2, which corresponds to shifting each letter back by two positions in the alphabet. The slide concludes with the statement, 'So, each alphabet of ORANGE should be decreased by 2 alphabet', setting up the solution for the problem.

  2. 2:00 – 5:00 02:00-05:00

    The video transitions to a new section titled 'Questions Type 6'. The instructor presents three different coding problems. The first is 'ACID = 1C3D', the second is 'ACID = 1233', and the third is 'ACID = 1233' with 'BOMBAY = B4MB1Y'. The instructor begins to analyze the first problem, 'ACID = 1C3D', by writing the alphabet and assigning numbers to each letter (A=1, B=2, C=3, etc.). He explains that this is a substitution cipher where the letter 'C' is replaced by the number '3'. He then moves to the second problem, 'ACID = 1233', and explains that this is a positional cipher where each letter is replaced by its position in the alphabet (A=1, C=3, I=9, D=4). He notes that the code '1233' is incorrect for 'ACID' and that the correct code should be '1394'.

  3. 5:00 – 10:00 05:00-10:00

    The instructor continues to work through the coding problems. He analyzes the third problem, 'ACID = 1233' and 'BOMBAY = 141112', and identifies that the code is based on the position of the letters in the alphabet. He then moves to the problem 'ACID = 9' and 'BOMBAY = 37', which is a different type of problem where the sum of the positions of the letters is calculated. He explains that for 'ACID', the sum is 1+3+9+4=17, but the code is 9, so he must be missing something. He then analyzes the problem 'ACID = 1C3D' and 'BOMBAY = B4MB1Y', which is a substitution cipher where the letter 'C' is replaced by '3' and 'B' is replaced by '4'. He then moves to the problem 'ACID = 1233' and 'BOMBAY = 14101120', which is a positional cipher where each letter is replaced by its position in the alphabet. He explains that the code '14101120' is incorrect for 'BOMBAY' and that the correct code should be '214121525'. He then moves to the problem 'ACID = 1233' and 'BOMBAY = 141112', which is a positional cipher where each letter is replaced by its position in the alphabet. He explains that the code '141112' is incorrect for 'BOMBAY' and that the correct code should be '214121525'. He then moves to the problem 'ACID = 9' and 'BOMBAY = 37', which is a different type of problem where the sum of the positions of the letters is calculated. He explains that for 'ACID', the sum is 1+3+9+4=17, but the code is 9, so he must be missing something.

  4. 10:00 – 10:38 10:00-10:38

    The video concludes with a final screen that displays the text 'THANKS FOR WATCHING' in large white letters against a dark red background. This is a standard closing slide for the educational content, indicating the end of the lecture.

The video provides a comprehensive tutorial on solving coding-decoding problems, a key skill for competitive exams. It begins with a clear, step-by-step demonstration of a letter-shifting cipher (ROT13), using the example of 'MONKEY' to 'KMLICW' to establish the core concept. The instructor then systematically introduces and explains different types of coding systems, including substitution ciphers (where letters are replaced by numbers, e.g., 'C' becomes '3') and positional ciphers (where letters are replaced by their alphabetical position, e.g., 'A' becomes '1'). The progression from a simple example to a series of practice questions allows students to apply the learned methods. The video effectively uses on-screen text and handwritten annotations to illustrate the logic, making it a valuable resource for understanding the fundamental patterns in this type of logical reasoning problem.

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