1.20 Arithmetic Operators

Duration: 5 min

This video lesson is available to enrolled students.

Return to /learn/BIHAR-STET-COMPUTER-SCIENCE-COMPLETE-COURSE/unit-16-python/operators-expressions/arithmetic-assignment/asset-120-arithmetic-operators after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Time and Work, Mensuration and Geometry, Simple Interest and Compound Interest, Speed Time and Distance, Age Problems, Mixture and Alligation, Algebra, Powers and Exponents (Surds and Indices), Pipe and Cistern, Trigonometry, Statistics, Data Interpretation, Arithmetic
  3. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Seating Arrangements, Syllogisms, Venn Diagram, Puzzle Solving (Puzzles), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Calendar, Clock
  4. General Knowledge: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, GK- Current Affairs, Static General Knowledge
  5. Art of Teaching: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Classroom Management & Communication, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement, Professional Development & Ethics, Policies, Acts & Contemporary Issues, Curriculum & School Environment, Guidance, Counselling & Mental Health, Inclusive Education & Special Needs, Micro-Teaching & Teaching Skills, Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: 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
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | 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
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a lecture on Python arithmetic operators, presented by an instructor in front of a digital whiteboard. The lesson begins with a title slide for 'Arithmetic operators' and then transitions to a table that lists the six primary operators: addition (+), subtraction (-), multiplication (*), division (/), modulus (%), and exponentiation (**). The instructor explains each operator's name and provides a general example format (e.g., x + y). The core of the lecture involves demonstrating these operators with specific numerical examples. The instructor sets x = 2 and y = 3, then calculates the results for exponentiation (x ** y = 8), division (y / x = 1.5), and floor division (y // x = 1). The lesson then delves into the modulus operator, showing its mathematical definition as x % y = x - (x // y) * y, and provides a worked example with positive numbers (17 % 4 = 1) and negative numbers (-17 % 4 = 3). The video concludes with a 'Thank You' slide.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title slide for 'Arithmetic operators' on a digital whiteboard. The instructor, visible in the foreground, begins the lesson. He then writes a table on the left side of the screen, listing the six arithmetic operators: + (Addition), - (Subtraction), * (Multiplication), / (Division), % (Modulus), and ** (Exponentiation), along with their names and example formats. He points to the table as he explains each operator.

  2. 2:00 – 5:00 02:00-05:00

    The instructor moves to the right side of the whiteboard to demonstrate the operators with examples. He sets x = 2 and y = 3. He first calculates x ** y, writing 'Point(x ** y)' and stating the result is 8. Next, he calculates y / x, writing 'Point(y / x)' and showing the result is 1.5. He then calculates y // x, writing 'Point(y // x)' and showing the result is 1. Finally, he explains the modulus operator, writing the formula 'x % y = x - (x // y) * y' and demonstrating it with 17 % 4 = 1 and -17 % 4 = 3.

  3. 5:00 – 5:01 05:00-05:01

    The video concludes with a final slide that displays the text 'Thank You' in the center of the screen, signaling the end of the lecture.

The lecture provides a clear and structured introduction to Python's arithmetic operators. It follows a logical progression from defining the operators in a table to demonstrating their application with concrete examples. The instructor effectively uses the digital whiteboard to write out the operators, their names, and step-by-step calculations, including the more complex cases of floor division and modulus with negative numbers. This methodical approach ensures that students can follow the concepts and see the practical results of each operation.

Loading lesson…