Convert Decimal Number to Binary using array

Duration: 5 min

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Module outline

  1. Quantitative Ability: Percentage, Profit and Loss, Ratio and Proportion (Ratios), Average, Time and Work, Speed Time and Distance, Simple Interest and Compound Interest, Age Problems, Number System, Divisibility Rules, HCF LCM, Algebra, Permutation and Combination, Probability, Data Interpretation, Logarithm, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Speed Mathematics and Basic Mathematics
  2. Logical Reasoning: Seating Arrangements, Puzzle Solving (Puzzles), Data Arrangement, Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Data Sufficiency, Venn Diagram, Inequality, Series (Number and Letter Series) (Numerical Relations and Reasoning), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning)
  3. Verbal Ability: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Subject Verb Agreement (Verb Noun Agreement), Tenses, Articles, Preposition, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Vocabulary, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Completion (Fill in the blanks), Sentence Correction (Error Correction), Cloze Test (Cloze Passage), Facts, Inference and Judgements
  4. Programming Fundamentals (Technical): C Fundamentals
  5. Data Structures (Technical): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  6. Algorithms (Technical): Algorithm Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Time Complexity Analysis, Advanced Algorithms
  7. OOPs (Technical): Object Oriented Programming (OOPS)
  8. DBMS (Technical): 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
  9. SQL (Technical): SQL
  10. Operating Systems (Technical): 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
  11. Computer Networks (Technical): 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, Cloud Computing and IoT, Cyber and Info Security
  12. Software Engineering (Technical): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  13. Coding/Automata Round: Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir, Pseudo Codes
  14. Personality / Behavioral Assessment: Behavioral Assessment (Behavioral Competency Profiling) (Psychometric Test)
  15. Writing Assessment: English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video, presented by a 'Placement Expert' from Knowledge Gate, teaches the algorithm and C code for converting a decimal number to its binary equivalent. The lesson begins by stating the problem: 'Write a program to convert Decimal to Binary' (Q19). It then demonstrates the expected input and output using examples like 7 → 111, 10 → 1010, and 33 → 100001. The core logic is explained using a step-by-step division-by-2 method, illustrated with a diagram for the number 17, which shows the remainders (1, 0, 0, 0, 1) collected in reverse order to form the binary number 10001. The video then presents a complete C program, including the `decToBinary` function, which uses a loop to repeatedly divide the number by 2 and store the remainders in an array. Finally, the code is executed with the input 33, and the output 100001 is shown, confirming the logic.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with the 'KNOX MEEHEGATF' logo, which is a stylized version of 'KNOWLEDGE GATE'. It then transitions to a PowerPoint presentation titled 'Q19: Write a program to convert Decimal to Binary'. The instructor, identified as a 'Placement Expert' who has been placed in 9 IT companies, introduces the problem. The slide displays expected input and output examples: Input: 7, Output: 111; Input: 10, Output: 1010; and Input: 33, Output: 100001. The instructor confirms these examples with checkmarks, establishing the problem's requirements.

  2. 2:00 – 4:57 02:00-04:57

    The video explains the logic for the conversion. A diagram on a chalkboard shows the step-by-step process for converting the decimal number 17 to binary. The number 17 is repeatedly divided by 2, and the remainders (1, 0, 0, 0, 1) are collected. The final binary number is formed by reading the remainders in reverse order, resulting in 10001. The instructor then presents a complete C code snippet. The code includes a function `decToBinary` that uses a while loop to calculate the remainders and store them in an array. A for loop then prints the array in reverse order. The instructor demonstrates the code with the input 33, and the output 100001 is shown on the screen, confirming the program's correctness.

The video provides a comprehensive, step-by-step tutorial on converting decimal to binary. It follows a clear pedagogical structure: first stating the problem and its expected outcomes, then explaining the underlying mathematical logic with a visual example, and finally translating that logic into a functional C program. The progression from concept to code ensures a solid understanding of the algorithm, which is a fundamental skill in programming and computer science.

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