WB TET Answer Key 2021 – 31st Jan Question Paper Solutions, Cutoff Marks

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WB Primary TET Answer Key 2017 For 31st January 2021 Exam Question Paper For SET A B C D Download: West Bengal Board of Primary Education (WBBPE) organized the Teacher Eligibility Test (TET) on 31st January. The WBPPE conducted the TET examination in many places across West Bengal. More than 1 lakh aspirants desirous to get jobs in primary teacher in West Bengal Government Schools have competed for the written test round with an aim to get posted as a teacher. All the competitors who had appeared for the TET written test on 31st January can download WB TET Answer Key 2021 shortly from the official website, wbbpe.org.

WBBPE will shortly activate the answer sheet download link on its official website for all sets A, B, C, and D. Competitors can click on the respective set attempted in the exam and can check the given answers from it. By comparing with the relevant set attempted in the examination, one can assess their score, probability of clearing the test, and various other concerned details. WB TET Question Paper Solutions 2021 will be accessible in PDF format. The answer key will be accessible within a week after the exam date. Hence the aspirants who competed for the WB TET exam can keep checking the WBBPE official website to download the answer key.

WB TET Answer Key 2021 – 31st Jan Question Paper Solutions, Cutoff Marks

WB TET Answer Key 2021

West Bengal Board of Primary Education (WBBPE) is the state government organization that releases various recruitment notifications every year. WBBPE recently released announced a recruitment notification for Primary Teacher (Assistant Teacher) posts. Candidates aspiring to become nursery and primary teachers in various schools across West Bengal and other surrounded places have applied for the announced posts during the application dates. Candidates will be shortlisted through the written test, viva voice, and interview rounds. Candidates have to qualify for the selection process with good merit to get the WBBPE Primary Teacher posts. 

WB TET Answer Key 2021 PDF Solutions Download – Important Details

Organization NameWest Bengal Board of Primary Education
Post NamePrimary Teacher (Assistant Teacher)
Job LocationWest Bengal
Exam NameWB TET – 2017 (Primary)
Written Test Date31st January 2021 (1:00 PM To 3:30 PM)
CategoryAnswer Key
Answer Key Release DateOne week after the exam date (Tentatively)
Unofficial Keys – Available today
Official Sitewbbpe.org

Download WB TET – 2017 (Primary) Answer Key 2021 & Exam Analysis @ wbbpe.org

WBBPE is going to release the WB Teacher Eligibility Test 2021 answer key within a short span of the examination. The answer key is expected to release within 3 to 4 days after the examination (approximately). Candidates can keep checking the SSA WB official website, wbbpe.org to download the answer key. The answer sheet will be released for all sets Set A, Set B, Set C, and Set D. Candidates can download the corresponding set they have attempted in the examination and can estimate the score by tallying the answers with it.

Competitors who are eager to check the answer key fast can download the unofficial answer key from various sources. Various private coaching institutes will release the answer sheet on the same day of the examination. By visiting those sites, aspirants will be able to download the answer keys. Check the answer key [unofficial] to estimate the score. Aspirants can wait for the official answer key, after estimating the score.  

Check Here: WB Primary TET Answer Key 2021 PDFAvailable Today

WB TET Exam Question paper 2021Available Soon

Steps to download WB TET 2017 Primary Answer Key

  1. Visit the WBBPE website, wbbpe.org
  2. Search for WB TET primary teacher answer key 2021 link on the homepage.
  3. Click on the link and furnish the required details.
  4. Click on the submit button.
  5. WB TET answer sheet 2021 will be downloaded for all sets.
  6. Compare with the attempted set and estimate the score.
  7. Take a printout for further reference.
When Will be Released WB Primary TET Answer Key 2021?

Expected in 1 Week After Exam and Unofficial keys will be released after completion of exam by coaching centers.

How to Download WB TET 2017 Primary Answer key?

We will be shared direct links in our post.

JNTUK R16 3-1 DBMS Material/Notes PDF Download

JNTUK R16 3-1 DBMS Material/Notes PDF Download

Students those who are studying JNTUK R16 CSE Branch, Can Download Unit wise R16 3-1 Database Management Systems Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 DBMS Material/Notes PDF Download

OBJECTIVES:

  • To learn the principles of systematically designing and using large scale Database Management Systems for various applications.

UNIT-1

An Overview of Database Management, Introduction- What is Database SystemWhat is Database-Why Database- Data Independence- Relation Systems and Others- Summary, Database system architecture, Introduction- The Three Levels of Architecture-The External Level- the Conceptual Level- the Internal Level- Mapping- the Database Administrator-The Database Management Systems- Client/Server Architecture.

Download UNIT-1 Material PDF | Reference-2

UNIT-2:

The E/R Models, The Relational Model, Relational Calculus, Introduction to Database Design, Database Design and Er Diagrams-Entities Attributes, and Entity Sets-Relationship and Relationship Sets-Conceptual Design With the Er Models, The Relational Model Integrity Constraints Over Relations- Key Constraints –Foreign Key Constraints-General Constraints, Relational Algebra and Calculus, Relational Algebra- Selection and Projection- Set Operation, Renaming – Joins- Division- More Examples of Queries, Relational Calculus, Tuple Relational Calculus- Domain Relational Calculus.

Download UNIT-2 Material PDF | Reference-2

UNIT-3:

Queries, Constraints, Triggers: The Form of Basic SQL Query, Union, Intersect, and Except, Nested Queries, Aggregate Operators, Null Values, Complex Integrity Constraints in SQL, Triggers and Active Database.

Download UNIT-3 Material PDF | Reference-2

UNIT-4:

Schema Refinement (Normalization) : Purpose of Normalization or schema refinement, concept of functional dependency, normal forms based on functional dependency(1NF, 2NF and 3 NF), concept of surrogate key, Boyce-codd normal form(BCNF), Lossless join and dependency preserving decomposition, Fourth normal form(4NF).

Download UNIT-4 Material PDF | Reference-2

UNIT-5:

Transaction Management and Concurrency Control: Transaction, properties of transactions, transaction log, and transaction management with SQL using commit rollback and save point. Concurrency control for lost updates, uncommitted data, inconsistent retrievals and the Scheduler. Concurrency control with locking methods : lock granularity, lock types, two phase locking for ensuring serializability, deadlocks, Concurrency control with time stamp ordering : Wait/Die and Wound/Wait Schemes, Database Recovery management : Transaction recovery.

Download UNIT-5 Material PDF | Reference-2

UNIT-6:

Overview of Storages and Indexing, Data on External Storage – File Organization and Indexing – Clustered Indexing – Primary and Secondary Indexes, Index Data Structures, Hash-Based Indexing – Tree-Based Indexing, Comparison of File Organization

Download UNIT-6 Material PDF | Reference-2


TEXT BOOKS:

  1. Introduction to Database Systems, CJ Date, Pearson
  2. Data base Management Systems, Raghurama Krishnan, Johannes Gehrke, TATA McGraw Hill 3rd Edition
  3. Database Systems – The Complete Book, H G Molina, J D Ullman, J Widom Pearson

REFERENCE BOOKS:

  1. Data base Systems design, Implementation, and Management, Peter Rob & Carlos Coronel 7th Edition.
  2. Fundamentals of Database Systems, Elmasri Navrate Pearson Education
  3. Introduction to Database Systems, C.J.Date Pearson Education

OUTCOMES:

  • Describe a relational database and object-oriented database.
  • Create, maintain and manipulate a relational database using SQL
  • Describe ER model and normalization for database design.
  • Examine issues in data storage and query processing and can formulate appropriate solutions.
  • Understand the role and issues in management of data such as efficiency, privacy, security, ethical responsibility, and strategic advantage.
  • Design and build database system for a given real world problem

JNTUK R16 3-1 Operating Systems Material PDF Download

JNTUK R16 3-1 Operating Systems Material PDF Download

Students those who are studying JNTUK R16 CSE Branch, Can Download Unit wise R16 3-1 Operating Systems Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 Operating Systems Material PDF Download

OBJECTIVES:

  • Study the basic concepts and functions of operating systems.
  • Understand the structure and functions of OS.
  • Learn about Processes, Threads and Scheduling algorithms.
  • Understand the principles of concurrency and Deadlocks.
  • Learn various memory management schemes.
  • Study I/O management and File systems.
  • Learn the basics of Linux system and perform administrative tasks on Linux Servers.

UNIT-1

Introduction to Operating System Concept: Types of operating systems, operating systems concepts, operating systems services, Introduction to System call, System call types.

Download UNIT-1 Material PDF

UNIT-2

Process Management – Process concept, The process, Process State Diagram, Process control block, Process Scheduling- Scheduling Queues, Schedulers, Operations on Processes, Interprocess Communication, Threading Issues, Scheduling-Basic Concepts, Scheduling Criteria, Scheduling Algorithms.

Download UNIT-2 Material PDF

UNIT-3

Memory Management: Swapping, Contiguous Memory Allocation, Paging, structure of the Page Table, Segmentation Virtual Memory Management: Virtual Memory, Demand Paging, Page-Replacement Algorithms, Thrashing

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UNIT-4

Concurrency: ProcessSynchronization, The Critical- Section Problem, Synchronization Hardware, Semaphores, Classic Problems of Synchronization, Monitors, Synchronization examples Principles of deadlock – System Model, Deadlock Characterization, Deadlock Prevention, Detection and Avoidance, Recovery form Deadlock

Download UNIT-4 Material PDF

UNIT-5

File system Interface- the concept of a file, Access Methods, Directory structure, File system mounting, file sharing, protection. File System implementation- File system structure, allocation methods, free-space management Mass-storage structure overview of Mass-storage structure, Disk scheduling, Device drivers,

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UNIT-6

Linux System: Components of LINUX, Interprocess Communication, Synchronisation, Interrupt, Exception and System Call. Android Software Platform: Android Architecture, Operating System Services, Android Runtime Application Development, Application Structure, Application Process management

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TEXT BOOKS:

  1. Operating System Concepts, Abraham Silberschatz, Peter Baer Galvin and Greg Gagne 9th Edition, John Wiley and Sons Inc., 2012.
  2. Operating Systems – Internals and Design Principles, William Stallings, 7th Edition, Prentice Hall, 2011.
  3. Operating Systems-S Halder, Alex A Aravind Pearson Education Second Edition 2016

REFERENCE BOOKS:

  1. Modern Operating Systems, Andrew S. Tanenbaum, Second Edition, Addison Wesley, 2001.
  2. Operating Systems: A Design-Oriented Approach, Charles Crowley, Tata Mc Graw Hill Education”, 1996.
  3. Operating Systems: A Concept-Based Approach, D M Dhamdhere, Second Edition, Tata Mc Graw-Hill Education, 2007.

OUTCOMES:

  • Design various Scheduling algorithms.
  • Apply the principles of concurrency.
  • Design deadlock, prevention and avoidance algorithms.
  • Compare and contrast various memory management schemes.
  • Design and Implement a prototype file systems.
  • Perform administrative tasks on Linux Servers
  • Introduction to Android Operating System Internals

JNTUK R16 3-1 Compiler Design Material PDF Download

JNTUK R16 3-1 Compiler Design Material PDF Download

Students those who are studying JNTUK R16 CSE Branch, Can Download Unit wise R16 3-1 Compiler Design Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 Compiler Design Material PDF Download

OBJECTIVES:

  • Understand the basic concept of compiler design, and its different phases which will be helpful to construct new tools like LEX, YACC, etc.

UNIT-1

Introduction Language Processing, Structure of a compiler the evaluation of Programming language, The Science of building a Compiler application of Compiler Technology. Programming Language Basics. Lexical Analysis-: The role of lexical analysis buffing, specification of tokens. Recognitions of tokens the lexical analyzer generator lexical

Download UNIT-1 Material PDF

UNIT-2

Syntax Analysis -: The Role of a parser, Context free Grammars Writing A grammar, top down passing bottom up parsing Introduction to Lr Parser.

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UNIT-3

More Powerful LR parser (LR1, LALR) Using Armigers Grammars Equal Recovery in Lr parser Syntax Directed Transactions Definition, Evolution order of SDTS Application of SDTS. Syntax Directed Translation Schemes.

Download UNIT-3 Material PDF

UNIT-4

Intermediated Code: Generation Variants of Syntax trees 3 Address code, Types and Deceleration, Translation of Expressions, Type Checking. Canted Flow Back patching?

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UNIT-5

Runtime Environments, Stack allocation of space, access to Non Local date on the stack Heap Management code generation – Issues in design of code generation the target Language Address in the target code Basic blocks and Flow graphs. A Simple Code generation.

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UNIT-6

Machine Independent Optimization. The principle sources of Optimization peep hole Optimization, Introduction to Date flow Analysis.

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TEXT BOOKS:

  1. Compilers, Principles Techniques and Tools.Alfred V Aho, Monical S. Lam, Ravi Sethi Jeffery D. Ullman,2nd edition,pearson,2007
  2. Compiler Design K.Muneeswaran, OXFORD
  3. Principles of compiler design,2nd edition,Nandhini Prasad,Elsebier.

REFERENCE BOOKS:

  1. Compiler Construction, Principles and practice, Kenneth C Louden, CENGAGE
  2. Implementations of Compiler, A New approach to Compilers including the algebraic methods, Yunlinsu ,SPRINGER

OUTCOMES:

  • Acquire knowledge in different phases and passes of Compiler, and specifying different types of tokens by lexical analyzer, and also able to use the Compiler tools like LEX, YACC, etc.
  • Parser and its types i.e. Top-down and Bottom-up parsers.
  • Construction of LL, SLR, CLR and LALR parse table.
  • Syntax directed translation, synthesized and inherited attributes.
  • Techniques for code optimization.

JNTUK R16 3-1 Unix Programming Material PDF Download

JNTUK R16 3-1 Unix Programming Material PDF Download

Students those who are studying JNTUK R16 CSE Branch, Can Download Unit wise R16 3-1 Unix Programming Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 Unix Programming Material PDF Download

OBJECTIVES:

  • Written technical communication and effective use of concepts and terminology.
  • Facility with UNIX command syntax and semantics.
  • Ability to read and understand specifications, scripts and programs.
  • Individual capability in problem solving using the tools presented within the class. Students will demonstrate a mastery of the course materials and concepts within in class discussions.

UNIT-1

UNIT-I Introduction to unix-Brief History-What is Unix-Unix Components-Using Unix-Commands in Unix-Some Basic Commands-Command Substitution-Giving Multiple Commands.

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UNIT-2

The File system –The Basics of Files-What’s in a File-Directories and File Names-Permissions-I Nodes-The Directory Hierarchy, File Attributes and Permissions-The File Command knowing the File Type-The Chmod Command Changing File Permissions-The Chown Command Changing the Owner of a File-The Chgrp Command Changing the Group of a File.

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UNIT-3

Using the Shell-Command Line Structure-Met characters-Creating New Commands-Command Arguments and Parameters-Program Output as Arguments-Shell Variables- -More on I/O Redirection-Looping in Shell Programs.

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UNIT-4

Filters-The Grep Family-Other Filters-The Stream Editor Sed-The AWK Pattern Scanning and processing Language-Good Files and Good Filters.

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UNIT-5

Shell Programming-Shell Variables-The Export Command-The Profile File a Script Run During Starting-The First Shell Script-The read Command-Positional parameters-The $? Variable knowing the exit Status-More about the Set Command-The Exit Command-Branching Control Structures-Loop Control Structures-The Continue and Break Statement-The Expr Command: Performing Integer Arithmetic-Real Arithmetic in Shell Programs-The here Document(<<)-The Sleep Command-Debugging Scripts-The Script Command-The Eval Command-The Exec Command.

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UNIT-6

The Process-The Meaning-Parent and Child Processes-Types of Processes-More about Foreground and Background processes-Internal and External Commands-Process Creation-The Trap Command-The Stty Command-The Kill Command-Job Control.

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TEXT BOOKS:

The Unix programming Environment by Brain W. Kernighan & Rob Pike, Pearson.

  1. Introduction to Unix Shell Programming by M.G.Venkateshmurthy, Pearson.

REFERENCE BOOKS:

  1. Unix and shell programmingby B.M. Harwani, OXFORD university press.

OUTCOMES:

  • Documentation will demonstrate good organization and readability.
  • File processing projects will require data organization, problem solving and research.
  • Scripts and programs will demonstrate simple effective user interfaces.
  • Scripts and programs will demonstrate effective use of structured programming.
  • Scripts and programs will be accompanied by printed output demonstrating completion of a test plan.
  • Testing will demonstrate both black and glass box testing strategies.
  • Project work will involve group participation.

JNTUK R16 3-1 AWP Material/Notes PDF Download

JNTUK R16 3-1 AWP Material/Notes PDF Download

Students those who are studying JNTUK R16 ECE Branch, Can Download Unit wise R16 3-1 Antenna and Wave Propagation Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 AWP Material/Notes PDF Download

OBJECTIVES:

  • understand the applications of the electromagnetic waves in free space.
  • introduce the working principles of various types of antennas
  • discuss the major applications of antennas with an emphasis on how antennas are employed to meet electronic system requirements.
  • understand the concepts of radio wave propagation in the atmosphere.

UNIT-1

ANTENNA FUNDAMENTALS: Introduction, Radiation Mechanism – single wire, 2 wire, dipoles, Current Distribution on a thin wire antenna. Antenna Parameters – Radiation Patterns, Patterns in Principal Planes, Main Lobe and Side Lobes, Beamwidths, Polarization, Beam Area, Radiation Intensity, Beam Efficiency, Directivity, Gain and Resolution, Antenna Apertures, Aperture Efficiency, Effective Height, illustrated Problems.

Download UNIT-1 Material PDF

UNIT-2

THIN LINEAR WIRE ANTENNAS: Retarded Potentials, Radiation from Small Electric Dipole, Quarter wave Monopole and Half wave Dipole – Current Distributions, Evaluation of Field Components, Power Radiated, Radiation Resistance, Beamwidths, Directivity, Effective Area and Effective Height. Natural current distributions, fields and patterns of Thin Linear Center-fed Antennas of different lengths, Radiation Resistance at a point which is not current maximum. Antenna Theorems – Applicability and Proofs for equivalence of directional characteristics, Loop Antennas: Small Loops – Field Components, Comparison of far fields of small loop and short dipole, Concept of short magnetic dipole, D and Rr relations for small loops.

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UNIT-3

ANTENNA ARRAYS : 2 element arrays – different cases, Principle of Pattern Multiplication, N element Uniform Linear Arrays – Broadside, End-fire Arrays, EFA with Increased Directivity, Derivation of their characteristics and comparison; Concept of Scanning Arrays. Directivity Relations (no derivations). Related Problems. Binomial Arrays, Effects of Uniform and Non-uniform Amplitude Distributions, Design Relations. Arrays with Parasitic Elements, Yagi-Uda Arrays, Folded Dipoles and their characteristics.

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UNIT-4

NON-RESONANT RADIATORS : Introduction, Traveling wave radiators – basic concepts, Long wire antennas – field strength calculations and patterns, Microstrip Antennas-Introduction, Features, Advantages and Limitations, Rectangular Patch Antennas –Geometry and Parameters, Impact of different parameters on characteristics. Broadband Antennas: Helical Antennas – Significance, Geometry, basic properties; Design considerations for monofilar helical antennas in Axial Mode and Normal Modes (Qualitative Treatment).

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UNIT-5

VHF, UHF AND MICROWAVE ANTENNAS : Reflector Antennas : Flat Sheet and Corner Reflectors. Paraboloidal Reflectors – Geometry, characteristics, types of feeds, F/D Ratio, Spill Over, Back Lobes, Aperture Blocking, Off-set Feeds, Cassegrain Feeds. Horn Antennas – Types, Optimum Horns, Design Characteristics of Pyramidal Horns; Lens Antennas – Geometry, Features, Dielectric Lenses and Zoning, Applications, Antenna Measurements – Patterns Required, Set Up, Distance Criterion, Directivity and Gain Measurements (Comparison, Absolute and 3-Antenna Methods).

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UNIT-6

WAVE PROPAGATION : Concepts of Propagation – frequency ranges and types of propagations. Ground Wave Propagation–Characteristics, Parameters, Wave Tilt, Flat and Spherical Earth Considerations.

Sky Wave Propagation – Formation of Ionospheric Layers and their Characteristics, Mechanism of Reflection and Refraction, Critical Frequency, MUF and Skip Distance – Calculations for flat and spherical earth cases, Optimum Frequency, LUHF, Virtual Height, Ionospheric Abnormalities, Ionospheric Absorption. Fundamental Equation for Free-Space Propagation, Basic Transmission Loss Calculations. Space Wave Propagation – Mechanism, LOS and Radio Horizon. Tropospheric Wave Propagation – Radius of Curvature of path, Effective Earth’s Radius, Effect of Earth’s Curvature, Field Strength Calculations, M-curves and Duct Propagation, Tropospheric Scattering.

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TEXT BOOKS:

  1. Antennas for All Applications – John D. Kraus and Ronald J. Marhefka, 3rd Edition, TMH, 2003.
  2. Electromagnetic Waves and Radiating Systems – E.C. Jordan and K.G. Balmain, PHI, 2nd Edition, 2000.

REFERENCE BOOKS:

  1. Antenna Theory – C.A. Balanis, John Wiley and Sons, 2nd Edition, 2001.
  2. Antennas and Wave Propagation – K.D. Prasad, Satya Prakashan, Tech India Publications, New Delhi, 2001.
  3. Transmission and Propagation – E.V.D. Glazier and H.R.L. Lamont, The Services Text Book of Radio, vol. 5,
    Standard Publishers Distributors, Delhi.
  4. Electronic and Radio Engineering – F.E. Terman, McGraw-Hill, 4th Edition, 1955.
  5. Antennas – John D. Kraus, McGraw-Hill, 2nd Edition, 1988.

OUTCOMES:

  • Identify basic antenna parameters.
  • Design and analyze wire antennas, loop antennas, reflector antennas, lens antennas, horn antennas and microstrip antennas
  • Quantify the fields radiated by various types of antennas
  • Design and analyze antenna arrays
  • Analyze antenna measurements to assess antenna’s performance
  • Identify the characteristics of radio wave propagation

MGU Degree Results 2021 (OUT) – 1st 3rd 5th Semester Result, Marksheet @ mgu.ac.in

MGU Degree 1st 3rd 5th Semester Results 2020-2021: Mahatma Gandhi University (MGU), Kerala has announced the MG Degree 1st Sem results on its official page, mgu.ac.in. Hence all the aspirants who have attempted the UG 1st 3rd 5th semester examinations in November/December 2020 can check their MG University Results, score and grade from the MGU portal. Download MGU Result/ MG University Kottayam Result/ MGU Exam Result can be checked below. All the aspirants can check more updates from here.

MGU Degree Results 2021 (OUT) – 1st 3rd 5th Semester Result, Marksheet @ mgu.ac.in

MGU Degree result 2021

The Mahatma Gandhi University, Kottayam is the most reputed university in the state of Kerala. The University offers various Graduate and Post Graduate Degree courses for many aspirants every year. Lakhs of candidates get the certification from MGU. The MGU is having a vast number of Government / Private colleges working under it. As per the information the MGU is having 100 colleges working under it.

Mahatma Gandhi University 1st Semester results 2021 – Information

Organization  Mahatma Gandhi University
Website          mgu.ac.in
Category       MGU Degree 1st Sem Result Nov/Dec 2020
Status              Released on 29th January

Mahatma Gandhi University UG 1st Sem Results 2021

The MGU annually conducts the examinations for all degree and PG courses in semester system. Students studying under MGU must clear all their papers of every semester to get the final certification. Mahatma Gandhi University Degree examinations were held in Nov/dec 2020 in various colleges. Now all the aspirants were keen to check MG University UG 1st Semester Results. Students need not worry much. Students can check their results, marks and grade.

Check Here: MG University UG 1st Semester results 2020-21 | Link 2 – Available Now

Steps to Check MGU 1st 3rd 5th Sem Results 2021

  1. Visit MG University Official Page i.e., mgu.ac.in or Click the direct link given above.
  2. In the News feed of the homepage you can find the link of ‘MGU result 2021’ Link
  3. Click on it and enter the requisite details of register number, password etc.
  4. And click on Submit button
  5. The MGU 1st Semester result, marks and Grade appear on screen.
  6. Check the result and take a printout of it since the OU issues the original marks memo.
IS Released MG University Result 2021?

Yes, MGU Degree 1st Semester Result has announced.

For Which Courses MGU Result 2021 to be announced?

For UG and PG Courses.

How to check Mahatma Gandhi University Result 2021?

We have uploaded direct result link from the official website. so that everyone follow above page to get daily updates

JNTUK R16 3-1 Digital Communications Material PDF Download

JNTUK R16 3-1 Digital Communications Material PDF Download

Students those who are studying JNTUK R16 ECE Branch, Can Download Unit wise R16 3-1 Digital Communications Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 Digital Communications Material PDF Download

OBJECTIVES:

  • Understand different pulse digital modulation techniques and their comparision
  • Familiarize various digital modulation techniques and calculation of their error probabilities
  • Understand the concept of entropy and different source coding techniques
  • Familirize with block codes, cyclic codes and convolutional codes

UNIT-1

PULSE DIGITAL MODULATION: Elements of digital communication systems, advantages of digital communication systems, Elements of PCM: Sampling, Quantization & Coding, Quantization error, Companding in PCM systems. Differential PCM systems (DPCM). Delta modulation, its draw backs, adaptive delta modulation, comparison of PCM and DM systems, noise in PCM and DM systems.

Download UNIT-1 Material PDF

UNIT-2

DIGITAL MODULATION TECHNIQUES: Introduction, ASK, FSK, PSK, DPSK, DEPSK, QPSK, M-ary PSK, ASK, FSK, similarity of BFSK and BPSK.

Download UNIT-2 Material PDF

UNIT-3

DATA TRANSMISSION : Base band signal receiver, probability of error, the optimum filter, matched filter, probability of error using matched filter, coherent reception, non-coherent detection of FSK, calculation of error probability of ASK, BPSK, BFSK,QPSK.

Download UNIT-3 Material PDF | Reference-2

UNIT-4

INFORMATION THEORY: Discrete messages, concept of amount of information and its properties. Average information, Entropy and its properties. Information rate, Mutual information and its properties.

Download UNIT-4 Material PDF | Reference-2

UNIT-5

SOURCE CODING: Introductions, Advantages, Shannon’s theorem, Shanon-Fano coding, Huffman coding, efficiency calculations, channel capacity of discrete and analog Channels, capacity of a Gaussian channel, bandwidth –S/N trade off.

Download UNIT-5 Material PDF | Reference-2

UNIT-6

LINEAR BLOCK CODES: Introduction, Matrix description of Linear Block codes, Error detection and error correction capabilities of Linear block codes, Hamming codes, Binary cyclic codes, Algebraic structure, encoding, syndrome calculation, BCH Codes. CONVOLUTION CODES: Introduction, encoding of convolution codes, time domain approach, transform domain approach. Graphical approach: state, tree and trellis diagram decoding using Viterbi algorithm.

Download UNIT-6 Material PDF | Reference-2


TEXT BOOKS:

  1. Digital communications – Simon Haykin, John Wiley, 2005
  2. Principles of Communication Systems – H. Taub and D. Schilling, TMH, 2003

REFERENCE BOOKS:

  1. Digital and Analog Communication Systems – Sam Shanmugam, John Wiley, 2005.
  2. Digital Communications – John Proakis, TMH, 1983. Communication Systems Analog & Digital – Singh &
    Sapre, TMH, 2004.
  3. Modern Analog and Digital Communication – B.P.Lathi, Oxford reprint, 3rd edition, 2004.

OUTCOMES:

  1. Determine the performance of different waveform coding techniques for the generation and digital representation of the signals.
  2. Determine the probability of error for various digital modulation schemes
  3. Analyze different source coding techniques
  4. Compute and analyze different error control coding schemes for the reliable transmission of digital information over the channel.

JNTUK R16 3-1 DICA Material/Notes PDF Download

JNTUK R16 3-1 DICA Material/Notes PDF Download

Students those who are studying JNTUK R16 ECE Branch, Can Download Unit wise R16 3-1 Digital IC Applications Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 DICA Material/Notes PDF Download

OBJECTIVES:

  • Introduction of digital logic families and interfacing concepts for digital design is considered.
  • VHDL fundamentals were discussed to modeling the digital system design blocks.
  • VHDL compilers, simulators and synthesis tools are described, which are used to verify digital systems in a technology-independent fashion.
  • Design and implementation of combinational and sequential digital logic circuits is explained.

UNIT-1

Digital Logic Families and Interfacing: Introduction to logic families, CMOS logic, CMOS steady state and dynamic electrical behavior, CMOS logic families. Bipolar logic, transistor-transistor logic, TTL families, CMOS/TTL interfacing, low voltage CMOS logic and interfacing, Emitter coupled logic. (Text book-1)

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UNIT-2

Introduction to VHDL: Design flow, program structure, levels of abstraction, Elements of VHDL: Data types, data objects, operators and identifiers. Packages, Libraries and Bindings, Subprograms. VHDL Programming using structural and data flow modeling. (Text book-2)

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UNIT-3

Behavioral Modeling: Process statement, variable assignment statement, signal assignment statement, wait statement , if statement, case statement ,null statement, loop statement, exit statement, next statement ,assertion statement, more on signal assignment statement ,Inertial Delay Model, Transport Delay Model ,Creating Signal Waveforms, Signal Drivers , Other Sequential Statements , Multiple Processes. Logic Synthesis, Inside a logic Synthesizer. (Text book-2)

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UNIT-4

Combinational Logic Design: Binary Adder-Subtractor, Ripple Adder, Look Ahead Carry Generator, ALU, Decoders, encoders, multiplexers and demultiplexers, parity circuits, comparators, Barrel Shifter, Simple FloatingPoint Encoder, Dual Priority Encoder, Design considerations of the above combinational logic circuits with relevant Digital ICs, modeling of above ICs using VHDL. (Text book-1)

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UNIT-5

Sequential Logic Design: SSI Latches and flip flops, Ring Counter, Johnson Counter, Design of Modulus N Synchronous Counters, Shift Registers, Universal Shift Registers, Design considerations of the above sequential logic circuits with relevant Digital ICs, modeling of above ICs using VHDL. (Text book-1)

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UNIT-6

Synchronous and Asynchronous Sequential Circuits: Basic design steps: State diagram, state table, state assignment, choice of flip flops and derivation of next state and output expressions, timing diagram. State assignment problem: One hot encoding. Mealy and Moore type FSM for serial adder, VHDL code for the serial adder. Analysis of Asynchronous circuits, State Reduction, State Assignment. A complete design example: The vending machine controller. (Reference text book- 1)

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TEXT BOOKS:

Digital Design Principles & Practices – John F. Wakerly, PHI/ Pearson Education Asia, 3rd Ed., 2005.

  1. VHDL Primer – J. Bhasker, Pearson Education/ PHI, 3rd Edition.

REFERENCE BOOKS:

  1. Fundamentals of Digital Logic with VHDL Design- Stephen Brown, ZvonkoVranesic, McGrawHill, 3rd
    Edition.

OUTCOMES:

  • Understand the structure of commercially available digital integrated circuit families.
  • Learn the IEEE Standard 1076 Hardware Description Language (VHDL).
  • Model complex digital systems at several levels of abstractions, behavioral, structural, simulation, synthesis and rapid system prototyping.
  • Analyze and design basic digital circuits with combinatorial and sequential logic circuits using VHDL.

JNTUK R16 3-1 LICA Material/Notes PDF Download

JNTUK R16 3-1 LICA Material/Notes PDF Download

Students those who are studying JNTUK R16 ECE Branch, Can Download Unit wise R16 3-1 Linear IC Applications Material/Notes PDFs below.

jntuk-materials

JNTUK R16 3-1 LICA Material/Notes PDF Download

OBJECTIVES:

  • To understand the basic operation &performance parameters of differential amplifiers.
  • To understand & learn the measuring techniques of performance parameters of OP-AMP
  • To learn the linear and non-linear applications of operational amplifiers.
  • To understand the analysis & design of different types of active filters using opamps
  • To learn the internal structure, operation and applications of different analog ICs
  • To Acquire skills required for designing and testing integrated circuits

UNIT-1

INTEGRATED CIRCUITS: Differential Amplifier- DC and AC analysis of Dual input Balanced output Configuration, Properties of other differential amplifier configuration (Dual Input Unbalanced Output, Single Ended Input – Balanced/ Unbalanced Output), DC Coupling and Cascade Differential Amplifier Stages, Level translator.

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UNIT-2

Characteristics of OP-Amps, Integrated circuits-Types, Classification, Package Types and Temperature ranges, Power supplies, Op-amp Block Diagram, ideal and practical Op-amp Specifications, DC and AC characteristics, 741 op-amp & its features, Op-Amp parameters & Measurement, Input & Out put Off set voltages & currents, slew rate, CMRR, PSRR, drift, Frequency Compensation techniques.

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UNIT-3

LINEAR and NON-LINEAR APPLICATIONS OF OP-AMPS: Inverting and Non-inverting amplifier, Integrator and differentiator, Difference amplifier, Instrumentation amplifier, AC amplifier, V to I, I to V converters, Buffers. Non- Linear function generation, Comparators, Multivibrators, Triangular and Square wave generators, Log and Anti log Amplifiers, Precision rectifiers.

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UNIT-4

ACTIVE FILTERS, ANALOG MULTIPLIERS AND MODULATORS: Design & Analysis of Butterworth active filters – 1st order, 2nd order LPF, HPF filters. Band pass, Band reject and all pass filters. Four Quadrant Multiplier, IC 1496, Sample & Hold circuits.

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UNIT-5

TIMERS & PHASE LOCKED LOOPS: Introduction to 555 timer, functional diagram, Monostable and Astable operations and applications, Schmitt Trigger; PLL – introduction, block schematic, principles and description of individual blocks, 565 PLL, Applications of PLL – frequency multiplication, frequency translation, AM, FM & FSK demodulators. Applications of VCO (566).

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UNIT-6

DIGITAL TO ANALOG AND ANALOG TO DIGITAL CONVERTERS: Introduction, basic DAC techniques, weighted resistor DAC, R-2R ladder DAC, inverted R-2R DAC, and IC 1408 DAC, Different types of ADCs – parallel Comparator type ADC, counter type ADC, successive approximation ADC and dual slope ADC.DAC and ADC Specifications, Specifications AD 574 (12 bit ADC).

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TEXT BOOKS:

  1. Linear Integrated Circuits – D. Roy Choudhury, New Age International (p) Ltd, 2nd Edition,2003.
  2. Op-Amps & Linear ICs – Ramakanth A. Gayakwad, PHI,1987.
  3. Operational Amplifiers–C.G. Clayton, Butterworth & Company Publ. Ltd./Elsevier, 1971

REFERENCE BOOKS:

  1. Operational Amplifiers & Linear Integrated Circuits –Sanjay Sharma ;SK Kataria &Sons;2nd Edition,2010
  2. Design with Operational Amplifiers & Analog Integrated Circuits – Sergio Franco, McGraw Hill, 1988.
  3. OP AMPS and Linear Integrated Circuits concepts and Applications, James M Fiore, Cenage Learning India Ltd.
  4. Operational Amplifiers & Linear Integrated Circuits–R.F.Coughlin & Fredrick Driscoll, PHI, 6th Edition.
  5. Operational Amplifiers & Linear ICs – David A Bell, Oxford Uni. Press, 3rd Edition

OUTCOMES:

• Design circuits using operational amplifiers for various applications.
• Analyze and design amplifiers and active filters using Op-amp.
• Diagnose and trouble-shoot linear electronic circuits.
• Understand the gain-bandwidth concept and frequency response of the amplifier configurations.
• Understand thoroughly the operational amplifiers with linear integrated circuits.