TN TRB CS Exam 2022

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The Tamil Nadu Teachers Recruitment Board (TN TRB) will be releasing the official notification for the recruitment of Lecturers for the Computer Science stream. The lecturers will be posted in various Government Polytechnic Colleges & Special Institutions in the state of Tamil Nadu. Interested candidates can apply for this recruitment once the official notification for the present year is announced. As many as 1060 vacancies were notified in the previous notification and applicants holding Bachelor’s/Master's degree are eligible for the recruitment of both engineering/non-engineering posts. 

The selection will be done on the basis of Computer Based Examination. To appear for this examination, the applicants must pay an examination fee of Rs. 600/- as per the previous notification. However, we will update the details once the official notification for the current year is released. The examination will be a multiple-choice questions-based exam and will consist of 150 such questions. The duration of this exam will be 3 hours. The application must be made online through TN TRB’s official website.

Name of Organization

Tamil Nadu Teachers Recruitment Board (TN TRB)

TN TRB  Full Form

Tamil Nadu Teachers Recruitment Board (TN TRB)

Official Website


Exam Conducting Body


Post Name

  • Lecturer for Computer Engineering
  •  Lecturer for Non-Engineering Subjects

Total Vacancy

To be notified soon

Notification Release Date

To be notified soon

Last Date to Apply

To be notified soon

Admit Card Release Date

To be notified soon

Exam Date

To be notified soon

Result Date

To be notified soon

Mode of Exam



TN Government Jobs


Graduates Government Jobs

TN TRB CS Vacancy

The number of vacancies for the current year has not been announced yet. However, the total number of vacancies as declared by the TN TRB under the previous year recruitment are 1060. Two posts under these openings fall under shortfall vacancies. Accordingly, the count for the current vacancy comes out to be 1058. The distribution of vacancies, both, according to subject and category are explained extensively in the tables given below.

  • Subject wise Vacancies:

The number of vacancies for the current year has not been announced yet. However, we are providing the essential information as per the previous year notification. The total number of vacancies for the Lectureship in the Computer Engineering department is 135. Out of this number of vacancies, 1 vacancy comes under shortfall vacancy in the ST category. The total number of shortfall vacancies is just 2. Hence the number of current vacancies count is 1058. The maximum number of vacancies belongs to the mechanical engineering department i.e. 219 while the least number is for textile engineering.

Sl. No.


Shortfall Vacancies in ST





Computer Engineering







  • Category wise vacancy

The following table illustrates the category and branch wise distribution of all the vacancies.






















































TN TRB CS Exam Dates 2022

The TRB will start accepting the online application for the post of a lecturers once the official dates are announced. Interested candidates can apply for this recruitment till the last date of submitting the online application. The computer-based examination will take place tentatively in accordance with the schedule of the examination. The release date for the admit card is not yet out. Generally, the admit card is released 10-12 days before the examination date. The official dates will be updated as soon as they are announced.



Starting for online application

To be announced soon

Deadline for online application

To be announced soon

Admit Card release

To be announced soon


To be announced soon

TN TRB CS Exam Pattern

The selection will be done on the basis of Computer Based Examination. The examination will be multiple-choice questions based exam and will consist of 150 such questions. The combined duration for this exam will be 3 hours. Questions will be asked in the English language only Paper will consist of two main subjects i.e Main subject and General Knowledge. The main subject is the specialization under which the applicant has completed his/her bachelor’s or master’s degree. The maximum marks for this test are 190. Out of 190, questions worth 180 marks are asked from the main subject. The general knowledge section will consist of only 10 questions i.e the computer-based examination will focus majorly on the main subject. There is no mains exam for this recruitment, therefore, this will be the only examination that will take place. 


Number of Questions

Maximum Marks


Main Subject

1 Mark questions: 100


3 Hours

2 Marks questions: 40


General Knowledge

1 Mark questions: 10


Total: 150


TN TRB CS Syllabus

The syllabus will pertain to the topics covered under the curriculum of graduate/ degree level studies. It will cover all the subjects that students study during the entire course of the degree. Therefore, applicants must thoroughly prepare the basics and fundamentals behind the core concepts of their specialization subjects. Getting acquainted with the GATE curriculum of the particular subject specialization may help the candidates prepare for the computer-based test.

The detailed syllabus for Computer Science Engineering can be found below

Computer Science Engineering Syllabus 


  • Mathematical Logic: Propositional Logic; First Order Logic. Probability: Conditional Probability; Mean, Median, Mode and Standard Deviation; Random Variables; Distributions; uniform, normal, exponential, Poisson, Binomial.
  • Set Theory & Algebra: Sets; Relations and Functions; Groups; Partial Orders; Lattice; Boolean Algebra. Combinatorics: Permutations and Combinations; Counting; Summation; generating functions; recurrence relations; asymptotics.
  • Linear Algebra: Algebra of matrices, determinants, systems of linear equations, Eigen values and Eigen vectors.  
  • Numerical Methods: LU decomposition for systems of linear equations; numerical solutions of non- linear algebraic equations by Secant, Bisection and Newton-Raphson Methods; Numerical integration by trapezoidal and Simpson's rules.
  • Calculus: Limit and Continuity, differentiability, Mean value Theorems, Theorems of integral calculus, evaluation of definite & improper integrals, Partial derivatives, Total derivatives, maxima and minima


  • Digital Logic: Logic functions, Minimization, Design and synthesis of combinational and sequential circuits, Hardware Description Language for combinational and sequential circuits, Fixed and floating point number representation and computer arithmetic.
  • Computer Organization and Architecture: Machine instructions and addressing modes, ALU and data-path, Single-Cycle Datapath and Control- Multi-cycle Datapath and Control-Micro-programming and Hard-wired Control Units Behavioral HDL Description of Systems- Exceptions Handling.
  • Pipelining: Pipelined MIPS Datapath- Pipeline Hazards: Structural, Control, Data-Hazard Detection and Resolution- Pipelining control-Exceptions Handling Memory System
  • I/O Interfacing: Overview of SRAM and DRAM Design- Memory Hierarchy;-Cache memory design – Virtual memory-Performance issues -I/O device characteristics – Buses and bus arbitration – Processor/OS interface -DM


  • Data Structures: Abstract data types, Arrays, Stacks, Queues, Linked Lists, Trees
  • Graph theory: Graph Traversal — Topological Sorting — Dijkstra's Algorithm — Minimal Spanning Tree — Applications — DFS — Biconnectivity — Euler Circuits — Graph Coloring Problem.
  • Search Structures and Priority Queues: AVL Trees — Red-Black Trees — Splay Trees — Binary Heap — Leftist Heap. Sorting: Insertion sort — Merge sort — Quick sort — Heap sort — Sorting with disks — k-way merging.
  • Algorithms: Analysis, Asymptotic notation, Notions of space and time complexity, Worst and  average case analysis; Design: Greedy approach, Dynamic programming, Divide-and-conquer, Backtracking and Branch and Bound; Asymptotic analysis (best, worst, average cases) of time and space, upper and lower bounds, Concepts of complexity classes — P, NP, NP-hard, NP-complete.


  • System Programming: Elements of Assembly Language Programming, Pass structure of assemblers, design of single and two pass assemblers, Macros and Macro processors, Design of a macro pre-processor
  • Linkers: Concepts, Design of a linker, Loaders, software Tools: software tools for program development, editors, debug monitors, programming environments.
  • Operating System: Processes, Threads, Inter-process communication, Concurrency, Synchronization, Deadlock, CPU scheduling, Memory management and virtual memory, File systems, Free-space management — Disk scheduling — Disk management — Swap-space management, I/O systems, Protection and security. Design principles of Linux and Windows 7.
  • ER-model, Relational model: relational algebra, tuple calculus, SQL — Data definition-Queries in SQL- Updates- Views — Integrity and Security — Relational Database design — Functional dependencies and Normalization for Relational Databases.
  • Data Storage and Query Processing: Record storage and Primary file organization- Operations on Files-Heap File- Sorted Files-Hashing Techniques — Index Structure for files —B-Tree – B+Tree — Query Processing.
  • Transaction Processing: Concurrency control- Schedule and Recoverability- Serializability and Schedules — Two Phases locking- Deadlock- Recovery Techniques — Immediate Update- Deferred Update – Shadow Paging. Design of Object-oriented Databases.


  • Regular Languages and Regular Expressions – Nondeterministic Finite Automata – Kleene's Theorem. Minimal Finite Automata-Pumping Lemma for Regular Languages- Context Free Grammars and Languages. Push Down Automata. Turing Machine, Recursively enumerable Languages, Non-recursive Language, Unsolvable problems. Compiler Design: Lexical analysis, Parsing, Syntax directed translation, Runtime environments, Intermediate and target code generation, Basics of code optimization.


  • ISO/OSI stack, LAN technologies: Ethernet, Token ring; Flow and error control techniques, Routing algorithms, Congestion control, TCP/UDP and sockets, IPv4
  • Application layer protocols: icmp, dns, smtp, pop, ftp, http; Basic concepts of hubs, switches, gateways, and routers. High Performance Networks: ISDN and BISDN, ATM and Frame relay, MPLS, Integrated and Differentiated Services, Optical Networks and Switching.
  • Wireless Adhoc Networks: Operation models
  • Routing methods: Tabledriven and Source-initiated On Demand routing protocols, Hybrid protocols – Uni Cast routing protocol (AODV, DSR, DSDV) – Multi-Cast routing protocol (ODMRP) – Multi clustering–Power Issues. Network security – basic concepts of public key and private key cryptography, digital signature, firewalls.


  • Line – Curve and Ellipse Drawing Algorithms –Two-Dimensional Geometric Transformations – Two-Dimensional Clipping and Viewing. – Three-Dimensional Object Representations – Three-Dimensional Geometric and Modeling Transformations – Three- Dimensional Viewing – Color Models – Animation.
  • Multimedia Systems: Multimedia Elements, Applications and Architecture – Evolving Technologies for Multimedia – Defining Objects for Multimedia Systems – Multimedia Data Interface Standards — Multimedia Databases.
  • Compression and Decompression: Types of Compression – Binary Image Compression Schemes – Color, Gray Scale and Still – Video Image Compression – Audio Compression – Fractal Compression. Virtual Reality Design – Multimedia Database.


  • S/W Engineering Paradigm — life cycle models (water fall, incremental, spiral, WINWIN spiral, evolutionary, prototyping, object oriented) – Project Management Concepts – Software Project Planning Risk analysis and management-project scheduling and tracking software quality assurance-Software configuration management, Requirement analysis – software prototyping — prototyping in the software process — rapid prototyping techniques, Design process and concepts – Real time systems – Real time software design- Software testing —Types of software testing — strategic approach and issues — Software Metrics.


  • Basic Web Concepts — World Wide Web- Web Servers —Web Browsers — URLMIME — HTTP—SGML- Internet Protocols and Standards. HTML Forms — CGI Concepts —Server — Browser Communication — EMail Generation— Applets – Java Script Programming-Dynamic HTML- ActiveX Controls-Multimedia-Client Side Script.- Server Side Scripting – Servlets- Java Server Pages – Session Management -Cookies -Database Access Through Web -SQL – Architecture for Database- System. E-Commerce —Business Models for E-Commerce-Enabling Technologies of the World Wide Web- E-Marketing-E-Security-E-Payment Systems-E-Customer Relationship Management.

TN TRB CS Eligibility Criteria

Two types of eligibility criteria must be satisfied for the TN TRB Recruitment, i.e the criterion for age and that for educational qualification. These criteria are discussed below in detail

  1. Age limit: The upper age limit for the applicants is 57 years as per G.O. (Ms) No.156 Higher Education (B1) Department
  2. Educational Qualification

Lecturer for Computer Engineering

  • A Bachelor’s Degree in the Computer Engineering branch of Engineering / Technology with not less than sixty Percent of marks or equivalent 
  • Provided that if the candidate has a Master’s Degree in the Computer Engineering branch of Engineering / Technology, the candidate should possess a first-class or equivalent in the branch either at Bachelor’s or Master’s degree level.

Lecturer for Non-Engineering Subjects

  • A first-class Master’s degree in the appropriate branch of study.

TN TRB CS Selection Process

The selection will be done in two stages. These two stages are discussed extensively below

1.Computer-Based Examination

The examination will be multiple-choice questions based exam and will consist of 150 such questions. The duration of this exam will be 3 hours. The Date, Time and Centre for the Computer Based Examination will be indicated in the Hall Ticket. The computer-based examination will focus majorly on the main subject. There is no mains exam for this recruitment, therefore, this will be the only examination that will take place. The language of the question paper will be English

2.Certificate Verification 

The following set of documents will be verified before the final appointment

a) Original Certificates and Mark Statements pertaining to the following applicable Educational qualifications

(i) 10th / SSLC. 

(ii) 12th / Higher Secondary or its equivalent. 

(iii) U.G. Degree in the appropriate branch of study. 

(iv) P.G. Degree in the appropriate branch of study. 

(v) M.Phil. Degree. 

(vi) Ph.D. Certificate

b) Applicants claiming caste-based reservations must produce the following documents

(i) ST – Revenue Divisional Officer (if the certificate is issued after 11.11.1989) 

(ii) SC/SCA – Tahsildar of native taluk of the candidate. 

(iii) BC / MBC / DNC – Headquarters Deputy Tahsildar or Special Deputy Tahsildar. 

(iv) Community Certificate of married women issued in father’s name alone (Not in Husband’s Name) shall be accepted. 

(v) Community certificates issued by any other State or Union Territory Authorities will not be considered against vacancies reserved for 69% caste-based reservation. They will be considered only under General Turn.

How To Apply Online for TN TRB CS

The applications are being accepted by the TRB till the last date of submitting the online application as per the official notification. The application can be made through an online process only. The board has not provided any means for the offline application process. The applicant can refer the following steps to apply online for this recruitment.

Direct Link To Apply For TN TRB – Click Here

*Note: Link will be activated soon

Step 1: Click on the above given direct link to click

Step 2: Click on the advertisement “Direct Recruitment of Lecturers (Engineering / Non-Engineering) in Government Polytechnic Colleges for the year 2017-18 – Notification”

Step 3: Complete your registration by filling basic details. Upload your photograph and signature as mentioned in the application form.

Step 4: Proceed towards examination fee payment 

Step 5: Alternatively, you can access the Official Website

Step 6: Repeat Steps 2 to 4.

Application Fee

The application fee for the general and unreserved category is Rs. 600 and that for reserved category is Rs. 300. The application fee is nonrefundable. Online payment can be made only through Payment Gateway. (Net banking / Credit Card / Debit Card). There is no provision for offline fee payment.

General / UR Category

Rs. 600/-


Rs. 300/-

Pre-requisites For Application

The following set of documents must be kept ready by the applicant before filling the application form.

  • Scanned copy of recent color passport size photograph (JPG/JPEG /PNG format of size 20-60 KB
  • Scanned copy of signature (JPG/JPEG/PNG format of size 10-30 KB)

Application Form Correction

Candidates are requested to fill in the online application form with utmost care and caution. No modifications will be allowed after the last date specified for applying online.

Common Reasons for Application Form Rejection

The application will get rejected if the guidelines for uploading the required softcopies are not followed. Incomplete or defective applications shall be summarily rejected

Things To Keep In Mind

  • Candidate should use their own contact number and email ID
  • Candidate must make a note of the registration/ application number
  • Copies of fee payment, challans, etc. must be kept for further reference
  • The application fee is nonrefundable
  • E-mail id should be kept active as all the communications will be sent to the registered email id only
  • The number of vacancies notified is only tentative

How To Download Admit Card

Admit card is the most crucial document which must be carried without fail for the examination. Applicants will not be allowed to appear for the examination without a valid admit card under any circumstance. Approximately 10-12 days before the examination, the admit card will be made available for download.

Direct Link To Download TN TRB Admit Card – Click Here

*Note: Link will be activated soon

Step 1: Click on the above given direct link.

Step 2: Candidates need to click on it for downloading their TN TRB Admit Card.

Step 3: Fill the following details: Registration No., DOB/Password and Verification Code(if specified)

Step 4: After providing their details appropriately candidates will be able to download their TN TRB, Admit Card.

Step 5: Alternatively, candidates can also check the Official Website

Step 6: Repeat steps 2 to 4.

Things To Remember While Downloading

The various details mentioned on the admit card must be clearly visible. Improper prints must be avoided. Poor visibility of the details can also be the result of poor quality of print pages, therefore candidates must be careful about the print paper quality. Applicants must also ensure interruption-free data connection. In a nutshell, applicants must be sure about the following things before downloading the admit card.

  • Stable internet connection
  • Working printer
  • Plain white & clean paper for prints

Details Mentioned on Admit Card

Details regarding the examination like date, venue, reporting timings, etc will be mentioned clearly on the admit card. Candidate’s personal details like photographs and signature can also be found on it. Candidates must ensure that all of these details along with the following ones are correctly mentioned in the admit card.

  • Name of exam
  • Date of exam
  • Day of exam
  • Exam center address
  • Time of exam
  • No of papers in exam
  • Name of candidate
  • DOB of candidate
  • Photo, a sign of a candidate

What To Carry Along

Candidates must also carry various identification documents with the admit card on the day of examination. This is necessary to verify the identity of the candidate who is appearing for the examination. Along with admit card/hall ticket, candidates can carry the following set of documents for this purpose. Candidates without valid identification proofs will not be permitted to attempt the examination

  • Voter ID. Admit Card
  • Aadhar Card.
  • Ration Card.
  • Bank Passbook.
  • College ID.
  • Driving License.
  • PAN Card.
  • Any Valid ID proof issued by Gazetted Officer

What Not To Carry For Exam

There are certain objects and items that a candidate is expected not to carry along. Any type of communication devices like mobile phones, pagers, etc. are strictly not allowed. If a candidate is caught using any prohibited object, strict actions will be taken against him/her. He/she can also be banned permanently for appearing in any government examination. Candidates must make sure that they are not carrying the following things/objects along with them for the examination day.

  • Electronic devices such as Mobile phone, Microphone
  • Other Associated Accessories, Calculator, 
  • Log Tables
  • Digital Diary
  • Books
  • Electronic equipment or gadgets

TN TRB CS Answer Key 2022

The Answer Key is one of the main factors to determine the selection of the candidates in the preliminary stage. The TN TRB CS Answer Key 2022 will be released soon by the Tamil Nadu Teachers Recruitment Board once the exam is conducted successfully. The candidates can make a comparative analysis of their performance in the exam with the help of the official Answer Key released by the exam conducting body.

Download TN TRB CS Answer Key 2022

Note: The above link will be activated soon once the official answer key is released by the TN TRB.

How to check and download the TN TRB Answer key 2022?

The candidates are advised to follow the below instructions to download the TN TRB CS Exam Answer Key 2022 without any difficulty. The aspiring candidates can follow the given procedure to download the TN TRB Answer key 2022 once it is released by the exam-conducting authority.

Step 1: Visit the Official website of the TN TRB 

Step 2: Click on the TN TRB Answer key 2022 Link once declared

Step 3: TN TRB Answer keys will be displayed on the screen once released

Step 4: Match your answers with the official answer key to know your performance 

How to Prepare for TN TRB CS Exam 2022

The TN TRB Exam is quite competitive hence regular practice and proper revision are the best tips to excel in this exam. The candidates should emphasize more on developing the conceptual understanding of the syllabus and exam pattern. The candidates can follow the below preparation tips suggested by our experts to enhance the exam preparation.

  • Efficient time management to cover all the important topics
  • Preparing time table to study as per the latest trends of the exam 
  • Making notes of necessary points to revise them for developing the conceptual understanding
  • Availing quality study materials and books as suggested by the subject experts
  • Taking regular mock tests help candidates to excel in the exam with ease 
  • Attempting old papers also helps candidates to understand the exam pattern thoroughly

Recommended Books for TN TRB CS Exam 2022

Along with online study materials, the offline sources like books and notes are also very important for the complete preparation of the exam. Thus we are providing a complete list of essential books for the TN TRB CS Exam 2022 as suggested by our experts. Check the complete book list below:

Name of the Book


TRB Teachers Recruitment Board Lecturers (General Knowledge)

Editorial Board/Sakthi Publishing House



TRB Lecturers ( Computer Science & Engineering ) Exam ( Govt Polytechnic Colleges ) Books

A panel of Authors/Sura College of Competition



TRB Lecturers Computer Science & Engineering ( Govt Polytechnic Colleges )

M. Presh Nave/Sakthi Publishing House



TRB Teachers Recruitment Board Lecturers (Engineering) Computer Science

GKP/G.K. Publication



Computer Science Question Bank for Competitive Exams: TRB

Pandikumar S/Naplin Publications

How to Download Result

The result will be declared on the official website of TN TRB. The candidates can follow the following steps to check the results. Candidates must ensure that they enter their credentials properly. Essential data like application form number or roll numbers should be remembered.

Direct Link To Check The Result – Click Here

*Note: Link will be activated soon

Step 1: Click on the above given direct link.

Step 2: You can find TN TRB Results on the home page

Step 3: Click on the Results, you will find the TN TRB Computer Based Examination Result 2022 link.

Step 4: Click on that link, enter the details like Roll Number, Date of Birth, etc.

Step 5: Download the TN TRB Result 2022.

Step 6: Alternatively, candidates can check the Official Website

Step 7: Repeat steps 2 to 5.

Details To Check On Result

The result will consist of the list of qualified candidates. It will be followed by the instructions for the document verification stage which will be the final step for selection.

Cut off for TN TRB CS

The Cutoff is the minimum marks obtained by the candidates for qualifying the exam. Every board decided minimum passing marks which are called the Cutoff list. The figures for cut off are not fixed and usually vary each year. Though the deviation in cut off is not significant. The cutoff is set by considering various factors like the number of candidates that appeared in Exam, Total Vacancies, Paper Difficulty level, and others. The category wise cut off for the computer-based examination 2017 were as follows. Candidates can expect a similar trend in cut off marks for this year as well.






































If you are preparing for the exam then you can download TN TRB CS Exam Previous Year Papers here! 

How to Challenge The Result

In case of grievances or discrepancies, the candidates can try to contact the board on the following contact details. Though, in most cases, claims for corrections in the result are not entertained.

Address: Teachers Recruitment Board, College Road, Chennai 600006

Helpline: 7373008144, 7373008134

Email ID: @

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