Introduction of C

Duration: 7 min

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Inside: a video lesson and guided study material.

Module outline

  1. Discrete Mathematics: Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic
  2. DataBase Management System/DBMS: 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
  3. Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  4. Computer Architecture: Floating Point Rep, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design
  5. Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  6. C Language: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  7. Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  8. Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
  9. Computer Networks: Introduction to CN, 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
  10. Theory Of Computation/Automata Theory: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory
  11. 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
  12. Engineering Mathematics: Permutation and Combination, Linear Algebra, Calculus, Probability, Statistics
  13. General Aptitude: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Mensuration and Geometry, Mental Ability, Arithmetic, Profit and Loss, Powers and Exponents (Surds and Indices), Average, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Syllogisms, Venn Diagram, Seating Arrangements, Blood Relations, Directions (Direction Test), Analogy, Algebra, Time and Work, Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Cubes & Dices, Ranking, Order and Sequence, Mixture and Alligation, Age Problems, Clock, Selection Decision Table (Decision Making), Data Arrangement
  14. English (Verbal Aptitude): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Preposition, Direct and Indirect Speech, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Completion (Fill in the blanks), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Sentence Correction (Error Correction), Verbal Analogy (Word Based Analogy), Conjunction, Interjection, Verb, Articles, Adverb, Modals, Sentence Construction
  15. Live Classes Recordings(Earlier Batch): GATE 2026 Live Class
  16. Full Mock Test:
  17. Previous Year Papers:
  18. GATE 2026 Counselling: Counselling and Guidance Sessions
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture introduces C programming for beginners by first establishing the general properties of any programming language before focusing on C's history and relevance. The instructor opens with a title slide featuring a large 'C' logo made of code snippets and the text "Welcome to the Course" and "C Programming for Beginners." The lesson then explains that before preparing for C from basics, students should understand what really is C by examining how a language stores data, operates on that data, accomplishes input and output, and controls execution sequences. Red arrows are used to highlight the bullet points about data storage and operations. The presentation transitions to C's history, stating that C was developed at AT&T's Bell Laboratories of USA in 1972 by Dennis Ritchie, with a photograph displayed alongside the text. The instructor emphasizes that C is reliable, simple and easy to use. Finally, the lecture addresses why students should study C, advising them to learn basic programming thoroughly in C before migrating to C++, C#, Java or Python. It also notes that household devices are growing smarter through embedded C programs, illustrated with photos of a microwave and washing machine. A diagram shows Programs A-D above an Operating System Abstract Layer linked to Video Device, Printer Device, File System Device and PipeLine boxes. The video ends with a break announcement.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title slide displaying "Welcome to the Course" and "C Programming for Beginners," featuring a large 'C' logo composed of programming keywords against a code background. The instructor then transitions to a text-based slide explaining the fundamental properties of any programming language before diving into C specifics. The on-screen text outlines how languages store data, operate on it, handle input/output, and control execution sequences. The instructor gestures while explaining these introductory concepts, using the visual logo made of code to represent C and listing key properties as bullet points.

  2. 2:00 – 5:00 02:00-05:00

    The instructor lists the important properties of any language, with red arrows drawn to highlight specific bullet points about data storage and operations. The presentation then shifts to the history of C, stating that "C is a programming language developed at AT & T's Bell Laboratories of USA in 1972" by Dennis Ritchie. A photograph of Dennis Ritchie is displayed alongside the text, with red underlines marking "Bell Laboratories of USA," "1972," and "Dennis Ritchie." The slide also notes that C is reliable, simple and easy to use. A red handwritten mark resembling a 'K' or arrow sits beside the portrait, and a faint watermark appears at the top right.

  3. 5:00 – 7:12 05:00-07:12

    A slide titled "Why we should study C" advises learning basic programming thoroughly in C before migrating to C++, C#, Java or Python, beside a cartoon of a bespectacled man typing at two monitors. A second slide pairs text about household devices growing smarter through embedded C programs with photos of a black Samsung microwave and a grey top-loading washing machine. A third slide on close hardware interaction shows a diagram of Programs A-D above an "Operating System Abstract Layer" linked to Video Device, Printer Device, File System Device and PipeLine boxes with matching icons. The closing frame shows the word "Break" in large type above the line "2-Understanding a, b, c of C."

The lecture follows a logical progression from general to specific: it begins by defining the universal properties of programming languages (data storage, operations, I/O, control flow) to establish a conceptual foundation. It then introduces C's historical context (1972, Bell Labs, Dennis Ritchie) to ground the language in its origins. Finally, it justifies studying C by highlighting its role as a prerequisite for higher-level languages and its pervasive use in embedded systems and hardware interaction. The visual aids—code-composed logo, historical photo, appliance images, and OS abstraction diagram—reinforce each conceptual point. The instructor uses red arrows and underlines to direct attention to key terms, ensuring students focus on the most important details. The session concludes with a break, signaling the end of this introductory segment.

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