Find minimum of 4 numbers

Duration: 3 min

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Inside: a video lesson and guided study material.

Module outline

  1. Communication Round: Vocabulary, Subject Verb Agreement (Verb Noun Agreement), 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), Direct and Indirect Speech, Active Passive Voice (Voice), Verbal Analogy (Word Based Analogy), Articles, Preposition, Conjunction, Sentence Construction, English Writing Ability, Communication Assessment
  2. Quantitative Aptitude: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Speed Time and Distance, Percentage, Average, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Age Problems, Pipe and Cistern, Probability, Profit and Loss, Simple Interest and Compound Interest, Algebra
  3. Analytical and Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Logical Sequence Of Words, Puzzle Solving (Puzzles), Syllogisms, Seating Arrangements, Calendar, Clock, Blood Relations, Cubes & Dices, Venn Diagram, Analytical Reasoning (Counting Figures Reasoning)
  4. Cognizant Gaming Aptitude: Gamified / Game Based Aptitude
  5. Java (Cluster 1): Java
  6. ANSI SQL MySQL (Cluster 1,2,3): SQL
  7. HTML, CSS, JavaScript (Cluster 1,3): HTML, CSS, JavaScript
  8. Python (Cluster 2): Python for Placements by Yash Sir
  9. Cloud Fundamentals (Cluster 2): Emerging Tech Trends
  10. C# (Cluster 3): C#
  11. OOPs: Object Oriented Programming (OOPS)
  12. Technical Assessment (Coding): Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Pseudo Codes
  13. Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  14. DBMS: 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
  15. Operating Systems: 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
  16. Computer Networks: 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, Mobile Technology, Cloud Computing and IoT, Cyber and Info Security
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video is a programming tutorial from Knowledge Gate, focusing on solving a problem to find the smallest of four given integers. The instructor first presents the problem statement, Q8, which requires reading four integers and outputting the smallest one. The solution is then implemented in C using a step-by-step comparison approach. The code uses a variable 'min' initialized with the first number, then compares it with the other three numbers sequentially using if-else statements to update the minimum value. The instructor demonstrates the logic by hand-writing the comparison process on the screen, using the numbers 3, 5, 4, and 2 as an example, showing how the variable 'min' is updated from 3 to 2. Finally, the code is executed in an online C++ compiler, where the input 1 2 3 4 is provided, and the output 1 is correctly displayed, confirming the program's functionality.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video begins with the Knowledge Gate logo and a diagram of their social media channels. The main content starts with a problem statement, Q8, displayed on a digital blackboard: 'Find out smallest of 4 numbers (numbers are not equal)'. The input is defined as four integers separated by space, and the output is the smallest number. The instructor, Yash Jain Sir, introduces the problem and then transitions to the code implementation. The C code is shown on the screen, starting with '#include <stdio.h>' and 'int main()'. The code declares four integer variables 'a, b, c, d' and a 'min' variable. It uses 'scanf' to read the four numbers. The core logic is a series of if-else statements: first, it compares 'a' and 'b', setting 'min' to the smaller of the two. Then, it compares 'min' with 'c', updating 'min' if 'c' is smaller. Finally, it compares 'min' with 'd', updating 'min' if 'd' is smaller. The result is printed using 'printf'. The instructor explains this logic, and on the screen, he hand-writes the comparison process for the numbers 3, 5, 4, and 2, showing how 'min' is updated from 3 to 2.

  2. 2:00 – 2:30 02:00-02:30

    The video transitions to a live demonstration of the code in an online C++ compiler, the OnlineGDB. The instructor shows the same C code from the previous segment. He then navigates to the 'Input' section at the bottom of the screen and types the numbers '1 2 3 4' as the test case. After clicking the 'Run' button, the compiler executes the program. The output section displays '1', which is the correct smallest number from the input, confirming the code works as intended. The instructor observes the result, and the video ends with the successful execution of the program.

The video provides a complete, step-by-step tutorial on solving a fundamental programming problem. It starts with a clear problem definition, moves to a logical algorithmic solution using sequential comparisons, and concludes with a practical demonstration of the code's execution. The progression from theory to practice effectively teaches the core concept of finding a minimum value in a set of numbers using conditional statements in C.

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