Introduction of C

Duration: 7 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Paper-1 & 2 | Basic Numeracy: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Mensuration and Geometry, Age Problems, Arithmetic, Statistics, Probability, Profit and Loss, Simple Interest and Compound Interest, Partnership, Speed Mathematics and Basic Mathematics, Algebra, Powers and Exponents (Surds and Indices), Time and Work, Pipe and Cistern, RSSB Specific Videos - Basic Numeracy
  3. Paper-1 & 2 | Data Interpretation: Data Interpretation
  4. Paper-1 & 2 | General Mental Ability: Mental Ability, RSSB Specific Videos - Mental Ability
  5. Paper-1 & 2 | Logical Reasoning and Analytical Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Analogy, Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Arrangement, Logical Sequence Of Words, Crypt Arithmetic
  6. Paper-1 & 2 | Decision Making and Problem Solving: Selection Decision Table (Decision Making)
  7. Paper-1 | General Science: Physics, Biology, Chemistry, RSSB Specific Videos
  8. Paper-1 | General Awareness: State Wise GK, GK- Current Affairs
  9. Paper - 2 | Digital Logic Systems: Digital Systems & Boolean Basics, Logic Gates & Hardware, Combinational Circuit, Sequential Circuits
  10. Paper-2 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Calculus, Relational Algebra, SQL, NoSQL
  11. Paper-2 | Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Algorithm Analysis, Sorting Algorithms, Intro to Compilers, Hashing
  12. Paper 2 | Data Communication and Network Security: Introduction to CN, Data Communication, Data Link Layer - Ethernet, DLL: Error Control, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware basics, Network Security, Ethical Hacking
  13. Paper-2 | Operating Systems: Introduction to OS, Process Management, Memory Management, File Management, Deadlock
  14. Paper-2 | Computer Organization and Architecture: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer, Number System, Number Representation
  15. Paper 2 | System Analysis and Design: Fundamentals of Systems and Information Systems, Fundamentals of Software Engineering, SDLC and Development Approaches, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Security, Risk Management & Maintenance, Software Testing
  16. Paper-2 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Paper 2 | OOPS , C++ , JAVA: Language Design, OOPS with C++, Java, .Net Programming, Java Fundamentals
  18. Paper 2 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  19. Emerging Trends and AI: Emerging Tech Trends, Artificial Intelligence
  20. Paper-2 | Data Processing (Ms-Office): MS Office Applications
  21. Paper-2 | Internet and Web Technologies: HTML Basics, CSS, XML, JavaScript-Basics, Internet Fundamentals, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, Terms & Abbreviations, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing
  22. Paper 2 | Pedagogy: Child Development, Theories, Concept of Pedagogy, Inclusive Education, Experiential Pedagogy, Assessment & Evaluation, Psychology, Curriculum Framework & Reforms, National Education Policy (NEP) 2020
  23. Live Classes: RSSB Live Sessions
  24. Paper 1 - Full Mock Tests:
  25. Paper 2 - Full Mock Tests:
  26. BCI Previous Year Papers:
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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