Xi Xii Computer Teacher

Class-XII
Sem-IV
Basics of Operating System
Lesson-1

1.1. Basics of Operating System This video will let you know about 1.1. Basics of Operating System of IV semester under WBCHSE Xii COMA. Here are downloadable pdfs in Bengali: https://1drv....

Answer Key-2025
III Semester
Sub-COMA

III Sem Answer Key In this video, we will know the answers to the 2025 Semester III COMA subject.

XII
E- Commerce
Lesson no-22
2.3. Internet Marketing

2.3. Internet Marketing This video will let you know about Unit – 2 E-Commerce 2.3.Internet Marketingunder WBCHSE Xii COMA/COMS. Here are downloadable pdfs in Bengali: https://1drv....

XII
E- Commerce
Lesson no-21
2.2. Electronic Payment System

2.2. Electronic Payment System This video will let you know about Unit – 2 E-Commerce 2.2. Electronic Payment Systemunder WBCHSE Xii COMA/COMS. Here are downloadable pdfs in Bengali: https...

XII
E- Commerce
Lesson no-20
2.1. An Intodutction to Electronic Commerce

2.1. An Intodutction to Electronic Commerce This video will let you know about Unit – 2 E-Commerce 10 Marks 2.1. An introduction to Electronic CommerceWhat is E-Commerce (Introduction and Definition), ...

XII
Python Programming
Lesson no-19
1.12. Functions and , user-defined function, arguments and parameters, returning value(s), scope...

1.12. Functions and , user-defined function, arguments and parameters, returning value(s), scope... This video will let you know about 1.12. FunctionsTypes of function (built-in functions, functions defined in module, user defined functions), creating user ...

XI
Programming Fundamentals
Lesson No-9
2.1. Concept of Programming

2.1. Concept of Programming This video will let you know about 2.1. Concept of Programming under WBCHSE Xi COMA. Here are downloadable pdfs in Bengali: https://1drv.ms/b/c/e7b85314624b3...

XII
Python Programming
Lesson no-17
1.10.2. List built-in functions/methods– len(), list(), append(), extend(), insert(), count(), index(), remove(), pop(), reverse(), sort(), sorted(), min(), max(), sum(); Nested lists

1.10.2. List Built-in functions/methods len(), list(), append(), extend(), insert().., Nested lists This video will let you know about 1.10.2. List built-in functions/methods– len(), list(), append(), extend(), insert(), count(), index(), remove(), pop(), ...