GATE 2020 ELECTRONICS AND COMMUNICATION PATTERN

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    GATE 2021 Electronics and Communication Exam Pattern, Marking Scheme and Weightage

    Nikkil Visha Nikkil Visha
    Exams Prep Master

    Graduate Aptitude Test In Engineering (GATE) is an assessment that focuses on undergraduate students' understanding of science and engineering subjects. GATE scores are used for student admission to a number of postgraduate programs. GATE is a computer-based test that takes 3 hours to complete. 

    • GATE 2021 EC paper will be divided into three parts and consists of 65 questions in total. Check GATE 2021 Electronics & Communication Syllabus
    • Any candidate who will appear for GATE 2021, regardless of his/her discipline, must answer the section on general aptitude. 
    • GATE includes questions of the multiple-choice (MCQs) and numerical answer type (NAT). 
    • Negative marking does not apply to NAT questions. 

    GATE finds its reputation as one of the country's and the world's most successful assessments for admission to many top institutes. The recent times have seen the use of GATE scores to employ graduate engineers in entry-level roles at Public Sector Undertakings (PSUs). GATE is currently held for 25 disciplines. You can find all of the details for the GATE Electronics and Communications exam pattern in this article.

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    Highlights of GATE 2021 Electronics and Communication Exam Pattern

    • GATE 2021 EC paper will consist of MCQs and NAT questions.
    • The MCQs will present you with 4 options out of which you will have to choose 1 correct answer.
    • NAT questions will require you to give a numerical value as the answer.
    • Objective type questions will be awarded 1 and 2 marks according to the marks assigned.
    • -1/3 and -2/3 marks will be deducted for every incorrect answer to an objective type question according to the marks assigned.
    Electronics and Communication Engineering Paper CodeEC
    Exam ModeOnline
    Total Marks100
    Number of Questions65
    Types of QuestionsMCQs and NAT
    Number of Sections3 (General Aptitude, Engineering Mathematics, Electronics and Communication Engineering Subject Questions)
    Weightage by SectionGeneral Aptitude – 15% of total marks Engineering Mathematics – 15% of total marks Electronics and Communication Engineering Subjects – 70% of total marks
    Total Time Duration3 hours (180 minutes)
    Sectional Time-LimitNone

    Details of GATE 2021 Electronics & Communication Exam Pattern

    Why is the knowledge of Exam Pattern important?

    GATE holds a top position among the country's most competitive tests. In order to apply for admissions to the best post-graduate programs and career opportunities, thousands of students from across India seek this test. GATE EC is quite a challenging paper to answer.Understanding the paper pattern during the period of study planning can be very helpful.

    The paper pattern highlights the duration of the test, the form and number of questions that will be presented in the examination, the weightage of each segment, and the marks allocated to each topic that will be evaluated. Awareness of the paper pattern will therefore be very useful, because you can organize your study time for every subject and section according to the allocated marks. 

    Quite clearly, more preparation will have to be done for the most important sections with the highest allocation of marks. The paper pattern goes hand-in-hand with attempting mock papers and will help prepare you for the actual exam.

    Details of GATE 2021 Electronics and Communication Exam Pattern

    • GATE EC is a computer-based paper that is administered for 3 hours. English is the language used for the examination.
    • In GATE EC, the maximum marks are 100 and the total number of questions is 65. 
    • GATE EC will consist primarily of Multiple Questions of Choice (MCQs) and Numerical Answer Type (NAT) questions. 
    • MCQs are objective questions presented in all sections, bearing 1 or 2 marks each. Each question will have 4 options, with 1 being the correct answer. 
    • NAT questions bear one or two marks in every section. The answers to these questions are numerical values that you will have to enter through a virtual keypad. No choices are provided for these questions.
    • GATE EC consists of three sections - General Aptitude with 15 % of the total marks, Engineering Mathematics with 15 % of the total marks and Electronics and Communication Engineering Subject Questions with 70 % of the total marks. 
    • The General Aptitude segment is mandatory, bearing a total of 15 marks. 
    • The section on compulsory engineering mathematics contains 11 questions which carry 15 marks in total. Of these 15 questions, 7 have 1 mark each (subtotal = 7 marks), and 4 have 2 marks each (subtotal = 8 marks). A few of the questions may be NAT.
    • Options are given in the section of Electronics and Communication Engineering Subjects. Upon reading through all questions, two subsections can be selected from seven. 
    • Only two subsections can be answered at once. If you plan to change a subsection to another midway during the examination, you must first deselect one of the subsections you have already picked. 
    • Each optional section includes 22 questions that carry a total of 35 marks. 9 Questions bear 1 mark each (subtotal = 9 marks) and 13 bear 2 marks each (subtotal = 26 marks). A few of the questions may be NAT.

    Know More GATE 2021 Exam Pattern

    GATE 2021 Electronics and Communication Paper Marking Scheme

    DisciplineSubjectNumber of QuestionsMarks
    Electronics and Communication Engineering (EC)General Aptitude1015
    Engineering Mathematics1015
    Electronics and Communication Engineering Subjects4570
    Total65100

    Important Topics of GATE 2021 Electronics and Communication Paper

    Important Topics of GATE 2021 Electronics and Communication Paper 

    Section 1- General Aptitude

    1. Numerical Ability – Numerical Computation, Numerical Estimation, Numerical Reasoning and Data Interpretation

    2. Verbal Ability - English Grammar, Verbal Analogies, Vocabulary

    Section 2 – Engineering Mathematics

    1. Linear Algebra

    2. Calculus

    3. Differential Equations ( ODE and PDE)

    4. Vector Analysis 

    5. Complex Analysis

    6. Numerical Methods

    7. Probability and Statistics

    8. Limits and Continuity 

    Section 3 – Electronics and Communication Engineering Subjects

    1. Networks

    2. Signals and Systems

    3. Electronic Devices and Circuits

    4. Analog Circuits

    5. Digital Circuits

    6. Control Systems

    7. Communications

    8. Electromagnets


    Sample Questions for GATE 2021 Electronics and Communication

    Sample Questions from Important GATE 2021 Electronics and Communication

    Section 1 – General Aptitude 

    Q. 1. “If you give him the last ______ of the cake, you will make sure that there is lasting _____ in our house today.”

    Q.2. A 1.5 m tall person stands 3m away from a lamp post. The lamplight at the top of the post casts her shadow. Twice her height is the length of the shadow. 

    How much is the lamp post height in meters?

    (A) 1.5 (B) 3 (C) 4.5 (D) 6

    Sections 2 and 3 – Engineering Mathematics and Electronics and Computer Engineering Subject Questions 

    Q. 1. A good trans-impedance amplifier has

    (A) low input impedance and high output impedance.

    (B) high input impedance and high output impedance.

    (C) high input impedance and low output impedance.

    (D) low input impedance and low output impedance.

    Q.2. An op-amp based circuit is implemented as shown below.

    Assume that the op-amp is ideal. What is the voltage (in volts, correct to one decimal place) at node A, connected to the negative input of the op-amp as indicated in the figure?

    Download GATE Electronics & Communication Engineering Practice Papers


    Weightage of Different Sections in GATE 2021

    Weightage of Different Sections in GATE 2021 Electronic & Communication Engineering 

    Section 1 – General Aptitude

    SectionTopicsWeightage (2019)Paper 2018 (Weightage)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    General AptitudeData Interpretation5+5155+515
    Numerical Computation
    Numerical Reasoning
    English Grammar
    Verbal Reasoning
    Vocabulary

    Section 2 – Engineering Mathematics

    SectionTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    Engineering MathematicsLinear Algebra6+3126+414
    Calculus
    Differential Equations
    Vector Analysis
    Complex Analysis
    Numerical Methods
    Probability and Statistics
    Limits and Continuity

    Section 3 – Electronics and Communication Engineering Subjects

    a. Networks

    <

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    NetworksFilters, AC and DC Circuits1+252+38
    Network Equations and Solution Methods
    Network Theorems and transformation
    Steady-state equation and Analysis
    Time-domain Analysis
    Two-port networks

    b. Signals and Systems 

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    Signals and SystemsBasics of Signals and Systems2+383+27
    Convolution
    Responses and Stability
    Fourier Series
    Sampling Theorem
    DFT and its application
    Z-transform

    c. Electronic Devices and Circuits

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    Electronic Devices and CircuitsSemiconductors3+5134+412
    Carrier Transport
    Basics of Transistor and MOSFETS
    Diodes and its application
    IC Fabrications

    d. Analog Circuits

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    Analog CircuitsAmplifiers1+5112+38
    Single-stage BJT and MOSFET Amplifiers
    Circuit Analysis and applications
    Simple diode and Wave Shaping Circuits
    Operational Amplifiers
    Op-amp and voltage Reference Circuits
    Oscillators
    Timers and Filters

    e. Digital Circuits

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber Questions (1 Mark + 2 Marks)Total Marks
    Digital CircuitsCombinational Circuits4+163+411
    Data Converters
    Microprocessor
    Minimization
    Number Systems
    Semiconductor Memories
    Sequential Circuits

    f. Control Systems 

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    Control SystemsBasics of Control System2+4102+38
    Compensators and Controllers
    Feedback Principle and Frequency Response
    Nyquist stability and Analysis
    Routh Hurwitz and Various Plots
    State Space Analysis
    Time Domain Analysis
    Transfer Function

    g. Communications 

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    CommunicationsTypes of Modulation and Demodulation3+4111+49
    Spectrums and Receivers
    Modulation Schemes and Decoding
    Digital Communication
    SNR, BER and Band
    Information Theory
    Multiplexing and Digital Coding Techniques
    Random Processes and Variables

    h. Electromagnetics 

    SubjectTopicsWeightage (2019)Weightage (2018)
    Number of Questions (1 Mark + 2 Marks)Total MarksNumber of Questions (1 Mark + 2 Marks)Total Marks
    ElectromagnetsAntenna and Wave Propagation3+392+38
    Electrostatics
    Maxwell's equations
    Radar and optical fibers
    Transmission Lines
    Waveguides
    Waves and Properties

    Check GATE Electronics & Communication Engineering Paper Analysis

    What is Electronics and Communication and its Scope?

    GATE Electronics and Communication Discipline develops passive electrical components. Under this discipline, there are various subfields including signal processing, telecommunications engineering, electromagnetics, control engineering, computer engineering, and VLSI design engineering, and instrumentation engineering.

    Scope after GATE 2021 EC Paper

    The number of students answering GATE in Electronics and Communication Engineering (EC) is growing rapidly every year. This is because the Master's courses now require a GATE score and all of the PSUs also employ through GATE. 

    Some students are interested in pursuing M.Tech from IITs / NITs in various streams such as Communication Systems, Analog Circuits, Electromagnets, Digital Circuits, Networks, and Control Systems; while others try to get a job at PSUs such as IOCL, HPCL, RITES, EIL, NHAI, and DMRC, to name a few. Thus, the significance of the GATE EC exam and the different opportunities through GATE are important to understand.

    1. Job opportunities in top PSUs

    • Nearly 100 PSUs working in the country such as IOCL, ONGC, HPCL, NHAI, DMRC, BHEL, SAIL, NTPC, consider the GATE score as an important criterion for electronics and communication engineer recruitment. 
    • A career at a good PSU means you will keep in touch with recent advances in engineering and work on exciting country development projects, along with having benefits of the security provided by government jobs. Check PSU Recruitment through GATE

    2. Study M.Tech after GATE 2021

    • One of the most common ways to proceed is to apply for M.Tech at the IITs, IISc, and NITs after the GATE test has been cleared. This can be an important step for students who have dreamt of studying at top institutes like IITs and NITs in the country. 
    • During the two years of your Master's program, you will also be eligible for the MHRD stipend, provided you have a strong GATE score. 
    • Also, if you apply to other state, regional or private colleges that do not have GATE scores as their primary selection criteria, having a good GATE score would still give you an advantage over the other candidates. 
    • Upon completing M.Tech, you can apply to private jobs with good packages in the electronics and communication domain.  Check GATE 2021 COAP Counselling

    Important Instructions to Candidates

    Important Instructions to Candidates

    1. GATE Admit Card must be brought with at least one original and legitimate proof of photo identification (Aadhar Card, Passport, College ID, PAN Card, Driver's License, Voter ID, or Employer ID) to the examination center. 

    2. GATE Admit Card will only be considered legitimate if there is a clearly visible signature and a photograph of the applicant. 

    3. Candidates are expected to report to the exam venue 60 minutes before the scheduled examination time. 

    4. Candidates will only be permitted to take the exam if their qualifications are verified by the exam center's officials. 

    5. Candidates are allowed to take their allotted seats 35 minutes before the scheduled exam time.

    6. Candidates will be permitted to start reading the test instructions 20 minutes before the scheduled exam time. 

    7. After 09:30 AM for the morning session and after 02:30 PM for the afternoon session, no applicant will be permitted to enter the examination center. 

    8. Candidates are not permitted to leave the exam hall until the test finishes. 

    9. There will be a virtual scientific calculator for the exam on the computer screen. 

    10. There will be scribble pads available for the rough work. Before starting any rough work, candidates will need to write their names and registration numbers on the pads. After the test, these pads must be returned to the invigilator.

    11. GATE does not allow cell phones, personal calculators, or other electronic devices into the allotted exam hall. 

    12. There is no need to carry documents, charts, or tables into the exam hall.

    *The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College

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