Computer Science Class 12 Term-II Syllabus

The syllabus is divided into three units: (i) Computational Thinking and Programming - 2 (ii) Computer Networks (iii) Database Management.

Exam Structure

Unit Unit Name Marks
I Computational Thinking and Programming 5
II Computer Networks 10
III Database Management 20
  Total 35

Unit I: Computational Thinking and Programming - 2

Data Structure: Stack, operations on stack (push & pop), implementation of stack using list.

Unit II: Computer Networks

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)


Introduction to web services: WWW, Hyper Text Markup Language (HTML), Extensible Markup Language (XML), domain names, URL, website, web browser, web servers, web hosting

Unit III: Database Management

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, performing insert, update, delete queries using cursor, display data by using fetchone(), fetchall(), rowcount, creating database connectivity applications

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