Practice Questions

Duration: 2 min

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Inside: a video lesson and guided study material.

Module outline

  1. Quantitative Aptitude: Ratio and Proportion (Ratios), Data Interpretation, Mixture and Alligation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Speed Mathematics and Basic Mathematics, Algebra, Percentage, Profit and Loss, Simple Interest and Compound Interest, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Partnership
  2. Reasoning Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Seating Arrangements, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Syllogisms, Blood Relations, Puzzle Solving (Puzzles), Inequality, Machine Input-Output
  3. English Language: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Construction, Pronoun, Preposition, Conjunction, Adverb, Verb, Modals, Articles, Determiner, Interjection
  4. General Awareness: Evolution of Indian Banking (Banking & Financial Awareness), GK- Current Affairs, Static General Knowledge, Indian Economy
  5. C Concepts + MCQs (IT Specialist): C Programming by Yash Sir, C Language Core
  6. Java (IT Specialist): Java
  7. Python (IT Specialist): Python for Placements by Yash Sir, Python Basics
  8. OOPs (IT Specialist): Object Oriented Programming (OOPS)
  9. DBMS (IT Specialist): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  10. SQL (IT Specialist): SQL
  11. Software Engineering (IT Specialist): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  12. Data Structure (IT Specialist): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  13. Operating System (IT Specialist): Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  14. Compiler Design (IT Specialist): 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
  15. Computer Architecture (IT Specialist): Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Multiprocessors, Programming the Basic Computer
  16. Data Communication & Networking (IT Specialist): 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
  17. Descriptive Test (Main Exam): English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video features a lecture on Context-Free Grammars (CFG), a core topic in compiler design and formal language theory. The instructor, identified as Sanchit Jain Sir from Knowledge Gate, systematically presents a sequence of different grammar productions on a digital whiteboard. The lesson begins with a basic expression grammar defined by E -> T + E / T and T -> id, illustrating how expressions are broken down into terms and identifiers. The presentation then shifts to a series of abstract grammars involving non-terminals S, A, and B. Examples include S -> AaB with A -> ab / a and B -> b, followed by a more complex set S -> Aa / bAc / dc / bda where A can derive the empty string ε or the terminal d. Further examples explore recursive structures like S -> AS / b and A -> SA / a, which are often used to discuss left and right recursion. The lecture also covers grammars with epsilon productions, such as S -> AaAb / BbBa where A -> ε and B -> ε. The final segment introduces a more comprehensive arithmetic grammar: E -> E + T / T, T -> TF / F, and F -> F* / a / b. This progression suggests the instructor is guiding students through identifying properties like ambiguity, nullability, and recursion in various CFGs, which are essential for constructing parsers. The visual style is consistent, with orange text for rules and a white background, ensuring clarity for the viewer. The instructor is visible in the bottom right corner throughout the session.

Chapters

  1. 0:00 – 1:53 00:00-01:53

    The video presents a continuous sequence of Context-Free Grammar examples on a white background with orange text. It starts with E -> T + E / T and T -> id. It transitions to S -> AaB, A -> ab / a, B -> b. Then S -> Aa / bAc / dc / bda with A -> ε. Then S -> Aa / bAc / dc / bda with A -> d. Then S -> AS / b, A -> SA / a. Then S -> AaAb / BbBa, A -> ε, B -> ε. Then S -> A / a, A -> a. Finally E -> E + T / T, T -> TF / F, F -> F* / a / b. The instructor discusses these rules, likely analyzing their properties. The text is clearly legible and central to the lesson.

The video serves as a visual catalog of CFG examples, moving from simple arithmetic expressions to abstract recursive definitions and epsilon productions. It highlights the variety of production rules used in formal language theory, emphasizing the structural differences between grammars that define programming languages.

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