# CBSE Syllabus 2020-21: Check Deleted Topics From 12th Computer Science Syllabus 2020-21

CBSE: Check deleted portion CBSE 12th Computer Science Syllabus 2020-21. CBSE has reduced 12th Computer Science Syllabus 2020-21 by 30%. In this article, we have provided the details of the topics which have been deleted by the Central Board of Secondary Education (CBSE) from CBSE Class 12 Computer Science Syllabus 2020-21. Links to access other important articles and the latest CBSE Syllabus are also available here. Students of Class 12 should learn the latest CBSE Class 12 Computer Science Syllabus 2020-21 and modification done by CBSE. This syllabus is very important for the preparation of CBSE Class 12 Computer Science exam 2020-21.

CBSE Board Exam: Question Papers & Videos of Class 12

Deleted Topics from CBSE 12th Computer Science Syllabus 2020-21:

Unit I: Computational Thinking and  Programming - 2

● Recursion  –  simple  algorithms  with  recursion :  print  a  message forever,  sum of  first  n natural numbers, factorial, Fibonacci numbers, recursion on arrays : binary search

● Idea of efficiency : performance measurement in terms of the number of operations.

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● Data-structures: Lists  as covered in  Class  XI, Stacks – Push, Pop  using  a  list,  Queues – Insert, Delete using a  list. (One  of the  data  structures: Stack  or Queue.

Note: While setting the question paper a student will have  an option between Stack  and Queue.)

Unit II: Computer Networks

● Web  Scripting Client side (VB Script, Java Script, PHP)  and  Server side (ASP,  JSP, PHP), Web 2.0 (for social networking)

● E-commerce payment transactions  using  online  banking,  mobile  banking,  payment apps and services.

Unit III: Database Management

CREATE TABLE, DROP TABLE, ALTER TABLE, UPDATE ....SET, INSERT, DELETE

1. Suggested Practical List: Python  Programming

● Recursively find the factorial of a natural number

● Write a recursive code to find the sum of all elements of a list.

● Write a recursive code to compute the nth Fibonacci number

Students are advised to observe these changes carefully and plan their studies accordingly for the upcoming CBSE 12th Computer Science board exam.

CBSE Syllabus 2020-21 (Reduced By 30%) PDF: 9th, 10th, 11th, 12th

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