Who releases the Computer Science Class 12 Syllabus 2024-25?
Every year CBSE releases syllabus for Computer Science on their official website (www.cbseacademic.nic.in) . Computer Science syllabus 2024-25 is published before the start of an academic year. Computer Science subject is offered to class 11 and 12 students of CBSE affiliated schools in India and the subject is very scoring and easy and those who love to solve problems, have good logical reasoning ability and love to learn basics of programming , must opt for this subject.
Units in Computer Science Class 12 Syllabus 2024-25
There are a total of 3 units in Computer Science Class 12 Syllabus 2024-25. There unit wise marks distribution is as follows:
- Unit 1 : Computational Thinking & Programming (Marks : 40 )
- Unit 2 : Computer Network (Marks : 10)
- Unit 3 : Database Management (Marks : 20)
- Theory Exam : 70 Marks , Practical Exam : 30 Marks
Since this is a practical-oriented subject, there will be a theory exam as well as a practical exam. The CBSE final or session-ending theory exam will be of 70 marks and will be conducted at the Centre allotted by CBSE and is mentioned in students admit card and the practical exam will be of 30 marks and will be conducted by subject teacher at the school level along with external examiner appointed by CBSE.
Topics in Unit 1 of Computer Science Class 12 Syllabus 2024-25
● Revision of Python topics covered in Class XI.
● Functions: types of function (built-in functions, functions defined in module, user defined functions), creating user defined function, arguments and parameters, default parameters, positional parameters, function returning value(s), flow of execution, scope of a variable (global scope, local scope)
● Exception Handling: Introduction, handling exceptions using try-except-finally blocks
● Introduction to files, types of files (Text file, Binary file, CSV file), relative and absolute paths
● Text file: opening a text file, text file open modes (r, r+, w, w+, a, a+), closing a text file, opening a file using with clause, writing/appending data to a text file using write() and writelines(), reading from a text file using read(), readline() and readlines(), seek and tell methods, manipulation of data in a text file
● Binary file: basic operations on a binary file: open using file open modes (rb, rb+, wb, wb+, ab, ab+), close a binary file, import pickle module, dump() and load() method, read, write/create, search, append and update operations in a binary file
● CSV file: import csv module, open / close csv file, write into a csv file using writer(),writerow(),writerows() and read from a csv file using reader()
● Data Structure: Stack, operations on stack (push & pop), implementation of stack using list.
Topics in Unit 2 of Computer Science Class 12 Syllabus 2024-25
● Evolution of networking: introduction to computer networks, evolution of networking (ARPANET, NSFNET, INTERNET)
● Data communication terminologies: concept of communication, components of data communication (sender,receiver, message, communication media, protocols), measuring capacity of communication media (bandwidth, data transfer rate), IP address, switching techniques (Circuit switching, Packet switching)
● Transmission media: Wired communication media (Twisted pair cable, Co-axial cable, Fiber-optic cable), Wireless media (Radio waves, Micro waves, Infrared waves)
● Network devices (Modem, Ethernet card, RJ45, Repeater, Hub, Switch, Router, Gateway, WIFI card)
● Network topologies and Network types: types of networks (PAN, LAN, MAN, WAN), networking topologies (Bus, Star, Tree)
● Network protocol: HTTP, FTP, PPP, SMTP, TCP/IP, POP3, HTTPS, TELNET, VoIP
● Introduction to web services: WWW, Hyper Text Markup Language (HTML), Extensible Markup Language (XML), domain names, URL, website, web browser, web servers, web hosting
Topics in Unit 3 of Computer Science Class 12 Syllabus 2024-25
● Database concepts: introduction to database concepts and its need
● Relational data model: relation, attribute, tuple, domain, degree, cardinality, keys (candidate key, primary key, alternate key, foreign key)
● Structured Query Language: introduction, Data Definition Language and Data Manipulation Language, data type (char(n), varchar(n), int, float, date), constraints (not null, unique, primary key), create database, use database, show databases, drop database, show tables, create table, describe table, alter table (add and remove an attribute, add and remove primary key), drop table, insert, delete, select, operators (mathematical, relational and logical), aliasing, distinct clause, where clause, in, between, order by, meaning of null, is null, is not null, like, update command, delete command, aggregate functions (max, min, avg, sum, count), group by, having clause, joins: cartesian product on two tables, equi-join and natural join
● Interface of python with an SQL database: connecting SQL with Python, performinginsert, update, delete queries using cursor, display data by using connect(), cursor(), execute(), commit(), fetchone(), fetchall(), rowcount, creating database connectivity applications, use of %s format specifier or format() to perform queries
