Computer System Architecture
Number systems, logic gates, CPU, registers, buses, instruction cycle, memory and cache.
TN TRB Computer Instructor (Grade I) — learn every unit in 3D
Computer Instructor aspirants in Tamil Nadu need deep, exam-ready understanding of core computer science. 369 Tesla turns every unit into interactive 3D laboratories so concepts such as the fetch–decode–execute cycle, normalisation, paging or TCP/IP stop being definitions to memorise and become systems you have operated yourself.
தமிழ்நாடு ஆசிரியர் தேர்வு வாரியம் (TRB) கணினி பயிற்றுநர் நிலை-I தேர்வுக்கு, ஒவ்வொரு பாடப்பகுதியையும் 3D சிமுலேஷன்கள் மூலம் செய்து பார்த்து கற்றுக்கொள்ளுங்கள்.
Live 3D · drag to rotate
TN TRB Computer Instructor Grade I
Units covered with 3D laboratories
Each unit is a complete interactive application with dozens of focused labs you can replay until the concept is second nature.
Database Management System
ER diagrams, relational model, SQL queries, keys, normal forms, transactions.
System Software & Operating Systems
Assemblers, loaders, process scheduling, deadlocks, paging, file systems.
Data Communication & Networks
OSI and TCP/IP layers, topologies, switching, routing, IP addressing, protocols.
Programming with C++
OOP concepts, classes, inheritance, polymorphism, templates, file handling.
Python
Data types, control flow, functions, lists, dictionaries, modules, file I/O.
Web Development
HTML5, CSS3, JavaScript, DOM, forms and responsive design.
PHP & MySQL
Server-side scripting, sessions, forms, database connectivity and CRUD.
Live demo
See a concept in 3D
FAQ
Questions from aspirants
What is 369 Tesla?
369 Tesla is an online learning portal by Kalviyogi (Edunivra Private Limited) that teaches computer science through interactive 3D simulations. It is designed for Tamil Nadu TRB Computer Instructor (Grade I) and UGC NET Computer Science aspirants.
Which exams does it help with?
The labs follow the units of the TN TRB Computer Instructor Grade I syllabus and the ten units of UGC NET Computer Science and Applications Paper 2. They are also useful for PG TRB, polytechnic TRB, SET and university computer science courses.
Do I need to install any software?
No. Every lab runs in a modern web browser on a computer, tablet or phone. You only need your login details.
Is the content available in Tamil?
The portal interface and labs are in English, with Tamil explanations for key concepts so that Tamil-medium learners can follow comfortably.
How do I get access?
Accounts are created by the Kalviyogi team. After enrolment you receive a username and password, and the courses assigned to you appear on your dashboard immediately.
Prepare for TRB Computer Instructor with 3D labs.
Explore the other path: UGC NET Computer Science