CBSE 2026 results are out, Mukul scored a perfect 100/100 in Computer ScienceSee all toppers →

CBSE Class 12 Computer Science (CS) Classes in Erode

Live online CBSE Class 12 Computer Science (CS) coaching for students in Erode, taught by Kajal Ma'am — 4.9/5 from 36 reviews. Free demo class first, no payment.

{ }

Why this fits a Erode student

Most Erode schools follow the Tamil Nadu State Board (TN SB), with CBSE, ICSE/ISC and Cambridge schools alongside. We teach the CBSE, ICSE/ISC, Cambridge IGCSE, GSEB and NIOS computer subjects, not the TN SB computer paper itself, so this course suits a Erode student in one of those schools.

{ }

What CBSE Class 12 Computer Science (CS) covers

3 units, 70 theory marks. Tap any unit to see its topics.

01Unit I: Computational Thinking and Programming - 2 (40 marks)+
  • Revision of Python basics from Class XI
  • Functions: scope, parameter passing, passing mutable/immutable objects, returning values, default and keyword arguments
  • Built-in functions, functions defined in modules (math, random, statistics), user-defined functions
  • Exception handling using try, except, finally and raise
  • Introduction to files: types of files (text, binary, CSV); relative and absolute paths
  • Text files: opening modes (r, r+, w, w+, a, a+), reading/writing (read, readline, readlines, write, writelines), close, seek, tell
  • Binary files: pickle module - dump() and load(); reading, writing, searching, appending and updating records
  • CSV files: csv module - reading and writing using reader() and writer()
  • Data structures - Stack: implementation using lists, push and pop operations
02Unit II: Computer Networks (10 marks)+
  • Evolution of networking: ARPANET, NSFNET, Internet
  • Data communication terminologies: concept of communication, sender, receiver, message, channel; bandwidth and data transfer rate (bps)
  • IP address; switching techniques (circuit, packet)
  • Transmission media: wired (twisted pair, co-axial, optical fibre) and wireless (microwave, radio, satellite)
  • Network devices: modem, hub, switch, repeater, router, gateway, NIC
  • Network topologies: Bus, Star, Tree
  • Types of networks: PAN, LAN, MAN, WAN
  • Network protocols: HTTP, FTP, PPP, SMTP, TCP/IP, POP3, HTTPS, TELNET, VoIP
  • Introduction to web services: WWW, HTML, XML, domain names, URL, website, web browser, web servers, web hosting
03Unit III: Database Management (20 marks)+
  • Database concepts: relational data model, relation, attribute, tuple, domain, degree, cardinality
  • Keys: candidate key, primary key, alternate key, foreign key
  • Structured Query Language (SQL): data types (char, varchar, int, float, date)
  • DDL commands: CREATE TABLE, ALTER TABLE, DROP TABLE
  • DML commands: INSERT, UPDATE, DELETE, SELECT
  • SQL clauses and functions: WHERE, IN, BETWEEN, DISTINCT, ORDER BY, GROUP BY, HAVING, NULL handling
  • Aggregate functions: MIN, MAX, AVG, SUM, COUNT; math, text and date functions
  • Joins: equi-join and natural join (Cartesian product of two tables)
  • Interface of Python with an SQL database: connect, cursor, execute, commit, fetchone(), fetchall(), rowcount

See the full CBSE Class 12 Computer Science (CS) course →

{ }

Students across Erode

We teach CBSE Class 12 Computer Science (CS) to students across Erode and the rest of Tamil Nadu online, so nobody travels to a centre.

Every class is live at Indian Standard Time, in a small batch or one-to-one. Nothing is pre-recorded, so a student in Erode asks questions in the moment. Recordings are provided for revision only.

{ }

What students & parents say

4.9/5 from 36 verified reviews.

★★★★★

I have enrolled in the Kwick Revision course, which is designed for 10 days. They have covered all the topics in meticulous time. The teaching method was good. Study materials and course content were up to the mark. Educators resolved doubts within the committed time only.

S
Shilp Shah
Student
★★★★★

I'm deeply impressed by the supportive environment fostered by Kajal Ma'am during the Kwickrevision workshop. Her approach not only facilitates a thorough understanding of the subject matter but also encourages a collaborative and nurturing learning experience. This workshop stands out as one of the best I've ever attended, and I attribute much of that to Kajal Ma'am's exceptional guidance.

Y
Yash Jain
Student
{ }

Frequently asked questions

Do you teach CBSE Class 12 Computer Science (CS) to students in Erode?+
Yes. Classes are live and online, so a student in Erode joins the same small batch or one-to-one session as anyone else, at Indian Standard Time, taught by Kajal Ma'am.
Which board does this suit in Erode?+
Most Erode schools follow the Tamil Nadu State Board (TN SB), with CBSE, ICSE/ISC and Cambridge schools alongside. We teach the CBSE, ICSE/ISC, Cambridge IGCSE, GSEB and NIOS computer subjects, not the TN SB computer paper itself, so this course suits a Erode student in one of those schools.
How many units are in CBSE Class 12 Computer Science (CS)?+
3 units, carrying 70 theory marks.
Is there a free demo class for Erode students?+
Yes. You see a real class before any payment. Message us on WhatsApp and we will arrange it.

Book a free demo for CBSE Class 12 Computer Science (CS) in Erode

Book a free demo from Erode

See a real class before you decide. No pressure, no payment.

Book Free Demo on WhatsApp