Thursday, 21 February 2013

Syllabus of ISRO Exam for ECE

(1) Physical Electronics, Electron Devices and ICs: 

Electrons and holes in semi-conductors, Carner Statistics, Mechanism of current flow in a semi-conductor, Hall effect; Junction theory; Different types of diodes and their characteristics; Bipolar Junction transistor; Field effect transistors; Power switching devices like SCRs, GTOs, power MOSFETs; Basics of ICs-bipolar, MOS and CMOS types; basic and Opto Electronics. 

(2) Signals and Systems: 

Classification of signals and systems; System modeling in terms of differential and difference equations; State variable representation; Fourier series; Fourier transforms and their application to system analysis; Laplace transforms and their application to system analysis; Convolution and superposition integrals and their applications; Z-transforms and their applications to the analysis and characterization of discrete time systems; Random signals and probability; Correlation functions; Spectral density; Response of linear system to random inputs. 

(3) Network Theory: 

Network analysis techniques; Network theorems, transient response, steady state sinusoidal response; Network graphs and their applications in network analysis; Tellegen's theorem. Two port networks; Z, Y, h and transmission parameters. Combination of two ports, analysis of common two ports. Network functions: parts of network functions, obtaining a network function from a given part. Transmission criteria: delay and rise time, Elmore's and other definitions effect of cascading. Elements of network synthesis. 

(4) Electromagnetic Theory: 

Analysis of electrostatic and magneto-static fields; Laplace's and Poisson's equations; Boundary value problems and their solutions; Maxwell's equations; application to wave propagation in bounded and unbounded media; Transmission lines: basic theory, standing waves, matching applications, microstrip lines; Basics of wave guides and resonators; Elements of antenna theory. 

(5) Analog Electronic Circuits: 

Transistor biasing and stabilization. Small signal analysis. Power amplifiers. Frequency. response. Wide banding techniques. Feedback amplifiers. Tuned amplifiers. Oscillators, Rectifiers and power supplies. Op Amp, PLL, other linear integrated circuits and applications. Pulse shaping circuits and waveform generators. 

(6) Digital Electronic Circuits: 

Transistor as a switching element; Boolean algebra, simplification of Boolean function Karnaugh map and applications; IC Logic gates and their characteristics; IC logic families: DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison; Combinational logic circuits; Half adder, Full adder; Digital comparator; Multiplexer De-multiplexer; ROM and their applications. Flip-flops. R-S, J-K, D and T flip-tops; Different types of counters and registers. Waveform generators. A/D and D/A converters. Semi-conductor memories. 

(7) Control Systems: 

Transient and steady state response of control systems; Effect of feedback on stability and sensitivity; Root locus techniques; Frequency response analysis. Concepts of gain and phase margins; Constant-M and Constant-N Nichol's Chart; Approximation of transient response from Constant-N Nichol's Chart; Approximation of transient response from closed loop frequency response; Design of Control Systems; Compensators; Industrial controllers. 

(8) Communication Systems: 

Basic information theory; Modulation and detection in analogue and digital systems; Sampling and data reconstructions; Quantization and coding; Time division and frequency division multiplexing; Equalization; Optical Communication: in free space and fiber optic; Propagation of signals at HF, VHF, UHF and microwave frequency; Satellite Communication. 

(9) Microwave Engineering: 

Microwave Tubes and solid state devices, Microwave generation and amplifiers, Wave guides and other Microwave Components and Circuits, Microstrip circuits, Microwave Antennas, Microwave Measurements, Masers, Lasers; Micro-wave propagation. Microwave Communication Systems-terrestrial and satellite based. 

(10) Computer Engineering: 

Number Systems. Data representation; Programming; Elements of a high level programming language PASCAL/C; Use of basic data structures; Fundamentals of computer architecture; Processor design; Control unit design; Memory organization, I/o System Organization. Microprocessors: Architecture and instruction set of Microprocessor's 8085 and 8086, Assembly language Programming. Microprocessor Based system design: typical examples. Personal computers and their typical uses.

Thursday, 25 October 2012

Solved MCQ Quiz of Basic Communication


1.Communication is a process of
a)      transfer of information
b)      transfer of energy
c)      transfer of channel
d)     none of these
Ans:a
2.    An example of communication service
a)      printer
b)      television
c)      both(a)&(b)
d)     none of these
Ans:b
3.   Channel is
a)      medium
b)      signal
c)      carrier
d)     none of these
Ans:a
4.  Analog signal varies with
a)      sampling time
b)      time continuously
c)      sampling frequency
d)     none of these
Ans:b
5.  Discrete signal is represented by
a)      coding
b)      modulation
c)      demodulation
d)     sequence of samples
Ans:d
6. Carrier signal has
a)      constant magnitude
b)      constant frequency
c)      variable frequency
d)     variable time
Ans:a
7.Modulating signal has
a)      low frequency
b)      low modulation
c)      high frequency
d)     none of these
Ans:a
8.  Modulation index is
a)      Vm/Vc
b)      Vc/Vm
c)      Vm/Ic
d)     None of these
Ans:a
9.    fc +fm is
a)      upper band frequency
b)      lower band frequency
c)      mid band frequency
d)     none of these
Ans:a
10.   fc –fm is
a)      upper band frequency
b)      lower band frequency
c)      mid band frequency
d)     none of these
Ans:b
11.In amplitude modulation, frequency is
a)      constant
b)      zero
c)      variable
d)     one
Ans:a
12.   In amplitude modulation, amplitude is
a)      constant
b)      zero
c)      variable
d)     none of these
Ans:c
13.In frequency modulation, frequency is
a. constant
b. zero
c. variable
d.one
Ans:c
14.  In frequency modulation, amplitude is
a.constant
b.zero
c.one
d.variable
Ans:a
15.  frequency modulation has
a)      one carrier
b)      one carrier with two side band frequencies
c)      one carrier with infinite frequencies
d)     none of these
Ans:c
16.    Amplitude modulation has
a)      one carrier
b)      one carrier with two side band frequencies
c)      one carrier with infinite frequencies
d)     none of these
Ans:b
17.FM signal is less affected by
a)      loss
b)      temperature
c)      frequency
d)     noise
Ans:d
18.  FSK is
a)      frequency shift keying
b)      frequency shine keying
c)      frequency shine keyboard
d)     none of these
Ans:a
19.  ASK is
a)      Amplitude shift keying
b)      Amplitude shift keyboard
c)      Amplitude shine keying
d)     none of these
e)      Ans:a
20.  HPA is
a)      high power audio
b)      high port audio
c)      high power amplifier
d)     none of these
Ans:c
21.  Word ‘SCANNING’ is used in  in
a)      telecost
b)      telephone
c)      radio
d)     TV
Ans:d
22. The frequency range of 1GHZ to 30GHZ are referred as
a)      sound waves
b)      micro waves
c)      mini waves
d)     none of these
Ans:b
23 . IF is
a)      interference frequency
b)      interconnection frequency
c)      intermediate frequency
d)     none of these
Ans:c
24. Low pass filter attenuates
a)      high frequencies
b)      low frequencies
c)      medium frequencies
d)     none of these
Ans:a
25 . high pass filter attenuates
a)      high frequencies
b)      low frequencies
c)      medium frequencies
d)     none of these
Ans:b
26.  Low pass filter allows
a)      high frequencies
b)      medium frequencies
c)      zero frequency
d)     low frequencies
Ans:d
27. High pass filter allows
a)      high frequencies
b)      medium frequencies
c)      zero frequency
d)     low frequencies
Ans:a
28. Primary component of uplink section of satellite is
a)      transformer
b)      transistor
c)      earth station transmitter
d)     power station transmitter
Ans:c
29. Micro wave communication is used in
a)      TNEB
b)      telephone networks
c)      industries
d)     none of these
Ans:b
30. Non electric signal is converted into electrical signal by
a)      transmitter
b)      receiver
c)      line
d)     none of these
Ans:a
31. In order to reduce interference, the signal should be
a)      amplified
b)      multiplied
c)      demodulated
d)     modulated
Ans:d
32.  An example for an analog signal
a)      Sine wave
b)      impulse signal
c)      sample signal
d)     None of these
Ans:a
33. Messages travel from transmitter to receiver with help of
a)      Transmitter
b)      Receiver
c)      channel
d)     antennas
Ans:c
34. Bandwidth of FM signal is —than AM signal
a)      lesser
b)      either lesser or larger
c)      larger
d)     none of these
Ans:c
35.  In AM modulation ,when the modulation index increases, transmitted     power is
a)      constant
b)      increased
c)      decreased
d)     none of these
Ans:b
36.  In FM modulation ,when the modulation index increases, transmitted     power is
a)      constant
b)      increased
c)      decreased
d)     none of these
Ans:a
37. Sound signalsin TV are
a)      amplitude modulated
b)      dc modulated
c)      frequency modulated
d)     a and c
Ans:c
38. Video signals in TV are
a)      amplitude modulated
b)      de modulated
c)      frequency modulated
d)     none of these
Ans:a
39. In optical communication, carrier is
a)      electromagnetic waves in optical frequency
b)      electromagnetic waves in maximum frequency
c)      electromagnetic waves in minimum frequency
d)     none of these
Ans:a
40.  Optical detector  is
a)      diode
b)      PIN photo diode
c)      transistor
d)     none of these
Ans:b
41.Optical fibre has—diameter
a.small
b.large
c.zero
d.none of these
Ans:a
42.  Optical fibre is fabricated by
a)      glass
b)      copper
c)      aluminium
d)     none of these
Ans:a
43.An earth station receiver consists of
a.RF to IF down converter
b. IFto RF  converter
c.either (a)&(b)
d.none of these
Ans:a
44. An earth station transmitter consists of
a.RF to IF down converter
b. IFto RF  converter
c. either (a)&(b)
d.none of these
Ans:b
45.VHF is
a.very low frequency
b.very high frequency
c.very hot frequency
d.none of these
Ans:b
46. TRF is nothing but
a.TV radio frequency
b.Tuned radio frequency
c.Tube radio frequency
d.none of these
Ans:b
47.which one of the following is  the type of ‘superheterodyning’
a.Radio transmitter
b.TV
c.radio receiver
d.radar
Ans:c
48.AFC is nothing but
a.Audio frequency control
b.Automatic frequency control
c.Amplitude frequency control
d.none of these
Ans:b
49.The maximum power in AM,when modulation index is
a.0
b.0.5
c.0.7
d.1
Ans:d
50.Primary colours are
a.red,blue.green
b.green,white.blue
c.blue,red.yellow
d.none of these
Ans:a

Saturday, 13 October 2012

Reference Book for GATE


Reference Book for Electronics & Communication Engg



SubjectReference Books
  MathematicsHigher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass
  Signals and SystemsSignals & Systems – Oppenheim & Schafer
Signals & Systems – Simon Hykin & Barry Van Veen
Discrete Time Signal Processing – Oppenheim & Schafer
Analog & Digital signal Processing- Ashok Ambarder
Digital Signal Processing – Proakis
  Control SystemsControl System Engg. - Nagrath & Gopal
Automatic Control Systems - Benjamin C Kuo
Modern Control System – Katsuhiko Ogata
  NetworksNetwork Analysis –Van Valkenburg
Networks & System – D Roy & Choudhary
Engineering circuit analysis – Hayt & Kammerly
  Electronic DevicesSemiconductor devices – David Neamen
Semiconductor devices – Kano
Solid Sate devices - Suresh Babu
Electronics devices and circuits – Millman & Halkias
    Analog CircuitsMicro Electronics circuit – Sedra  & Smith
Integrated Electronics : Analog & Digital circuits and system – Millman & Halkias
Electronics devices and circuits – Boylestead
Op-Amp & Linear Integrated Circuits – Gaikwad
Linear Integrated circuits – Godse & Bakshi
Micro Electronic Circuits – Neamen
Micro electronic circuits - Rashid
  Digital circuitsDigital Electronics – Morris Mano
Digital principles & Design  - Donald Givone
Digital circuits – Taub & Schilling
Microprocessor – Ramesh Gaonker
  ElectromagneticsElectromagnetic Waves and Radiating Systems - E.C. Jordan and K.G. Balsain
Electromagnetic Waves and Radiating Systems - Sadiku
Engg Electromagnetics – William Hayt
Antenna And Wave Propagation KD Prasad
Microwave devices & circuits -  Lio
    CommunicationsCommunication systems – Simon Hykin
Principals of communication systems – Taub & Schilling
An introduction to Analog and Digital Communications- Simon Hykin
Modern & digital communication system – BP Lathi
Electronic communication system  - Kennedy
Analog Communication – Proakis
Digital Communication- Proakis



Reference Book for Electrical Engineering



Subject
Reference Books
  MathematicsHigher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass
  Signals and SystemsSignals & Systems – Oppenheim & Schafer
Signals & Systems – Simon Hykin & Barry Van Veen
Discrete Time Signal Processing – Oppenheim & Schafer
Analog & Digital signal Processing- Ashok Ambarder
Digital Signal Processing – Proakis
  Control SystemsControl System Engg. - Nagrath & Gopal
Automatic Control Systems - Benjamin C Kuo
Modern Control System – Katsuhiko Ogata
    Electric Circuits and FieldsNetwork Analysis –Van Valkenburg
Networks & System – D Roy & Choudhary
Engineering circuit analysis – Hayt & Kammerly
Electromagnetic Waves and Radiating Systems by E.C. Jordan and K.G. Balsain
Electromagnetic Waves and Radiating Systems - Sadiku
Engg Electromagnetics – William Hayt
    Analog CircuitsMicro Electronics circuit – Sedra  & Smith
Integrated Electronics : Analog & Digital circuits and system – Millman & Halkias
Electronics devices and circuits – Boylestead
Op-Amp & Linear Integrated Circuits – Gaikwad
Linear Integrated circuits – Bakshi & Bakshi
Micro Electronic Circuits – Neamen
Micro electronic circuits - Rashid
  Digital circuitsDigital Design – Morris Mano
Digital principles & Design  - Donald Givone
Digital circuits – Taub & Schilling
Microprocessor – Ramesh Gaonker
Electrical and Electronic MeasurementsElectronic Measurements & Instrumentation - A.K.Sawhney
Electronic Measurement - Godse & Bakshi
  Electrical MachinesTheory & performance of electrical Machines- JB Gupta
Electrical Machines- P.S Bimbra
Electrical Machines -Nagrath and Kothari
  Power SystemsA Course in power systems – JB Gupta
 Electrical Power Systems - C L Wadhwa
Power Systems  - Sony, Gupta & Bhatnager
Power Semiconductor Controlled Drives - Dubey, G.K., (1989),
Power Electronics - Bimbhra
Power System Analysis- John Grainger &William Stevenson
Power Electronics and DrivesPower Electrics circuits, devices & Applications- Rashid
Power Electrics circuits, devices & Applications- PS Bhimra
Electric Energy Systems - Olle Elegard
Converters, Applications and Design - Ned Mohan


Reference Book for Instrumentation Engineering



SubjectReference Books
  MathematicsHigher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass
    Signals, Systems and Communications:Signals & Systems – Oppenheim & Schafer
Signals & Systems – Simon Hykin & Barry Van Veen
Discrete Time Signal Processing – Oppenheim & Schafer
Analog & Digital signal Processing- Ashok Ambarder
Digital Signal Processing – Proakis
Electronic communication system  - Kennedy
Communication systems – Simon Hykin
Principals of communication systems – Taub & Schilling
Analog Communication – Proakis
Digital Communication- Proakis
  Control Systems and Process ControlControl System Engg. - Nagrath & Gopal
Automatic Control Systems - Benjamin C Kuo
Modern Control System – Katsuhiko Ogata
Process Control Instrumentation Technology- Curtis D. Johnson
Basics of Circuits and Measurement SystemsNetwork Analysis – Van Valkenburg
Networks & System – D Roy & Choudhary
Engineering circuit analysis – Hayt & Kammerly
    Analog CircuitsMicro Electronics circuit – Sedra  & Smith
Integrated Electronics : Analog & Digital circuits and system – Millman & Halkias
Electronics devices and circuits – Boylestead
Op-Amp & Linear Integrated Circuits – Gaikwad
Linear Integrated circuits – Bakshi & Bakshi
Micro Electronic Circuits – Neamen
Micro electronic circuits - Rashid
  Digital circuitsDigital Electronics – Morris Mano
Digital principles & Design  - Donald Givone
Digital circuits – Taub & Schilling
Microprocessor – Ramesh Gaonker
Transducers, Mechanical Measurement and Industrial Instrumentation:Electronic Measurements & Instrumentation - A.K.Sawhney
Measurement Systems - Application and Design, Fourth edition- Doebelin E.O
Electrical and Electronic Measurements:Electronic Measurements & Instrumentation - A.K.Sawhney
Electronic Measurement - Godse & Bakshi
  Analytical, Optical and Biomedical Instrumentation:Electronic Measurements & Instrumentation - A.K.Sawhney
Analytical Instrumentation- Bela G. Liptak
Introduction to Fiber Optics- Ghatak, A, Thyagarajan, K



Reference Book for Computer Science & Engineering and Information Technology



SubjectReference Books
  MathematicsHigher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass
    Programming and AlgorithmsData Structure & Algorithm in C - Mark Allen Weiss
Data Structures Using C and C++  - Yedidyah Langsam, Moshe J. Augenstein, and Aaron M. Tenenbaum
Programming Languages - Ravi Sethi
Introduction to Algorithms - Corman, Rivest
Fundamentals of computer Algorithms -  Ellis Horowitz and Sartaj Sahni
C programming - Kernighan and Ritchie
  Operating SystemsOperating System Concept – Silbersehatz Galvin and Gagne.
Operating Systems – Stallings.
Operating Systems – Gary Nutt.
OPERATING SYSTEMS:A Concept-Based Approach - D M Dhamdhere
  Discrete Math and Graph TheoryDiscrete and Combinatorial Mathematics – Ralph Grimaldi
Discrete Mathematical Structures with applications to Computer Science - Tremblay and Manohar.
Discrete Mathematics - Rosen
Discrete Mathematics for Computer Scientists – Mott
Elements of Discrete Mathematics  : C. L. Liu
  Computer OrganizationDigital Electronics – Morris Mano
Digital circuits – Herbert Taub & Donald L Schilling
Microprocessor Architecture, Programming and Applications with the 8085 – Ramesh Gaonker
Computer Organisation – Hamacher
Computer Architecture A quantitative approach - PATTERSON and HENNESSY
Computer Organization and Architecture : William Stallings
  DatabaseDatabase Systems - Korth
DBMS - Ramakrishnan and Gerke
Fundamentals of Database Systems :  Shamkant B. Navathe Bipin, Desai
Computer NetworksComputer Networks – Tanenbaum
TCP/IP Illustrated (volume 1)  : W. Richard Stevens
  Theory of ComputationsIntroduction to automata theory, languages and computation – Hopcroft, Motwani and Ullman
Theory of Computation – Dexter. C. Kozen.
The Theory of Computation – Bernard M Moret
Compiler DesignPrinciples of Compiler Design - Aho and Ullman and ravi sethi
  Software engineering and Web TechnologyA Practitioner's Approach - Roger Pressman
Web Engineering - Roger Pressman and David Lowe
Fundamentals of Software Engineering - Rajib Mall
An Integrated Approach to Software Engineering - Pankaj Jalote


Reference Book for Mechanical Engineering



SubjectReference Books
  MathematicsHigher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass
  Engineering MechanicsEngineering Mechanics Vol. I & Vol. II – Meriam  & Kraige
Engineering Mechanics – I. H. Shames
Engineering Mechanics – Beer & Johnson
Engineering Mechanics – CBS Publishers
  Strength of MaterialAn Introduction to the Mechanics of Solids – Stephen H Crandall
Strength of Materials – Pytel & Singer
Strength of Materials – Timoshenko and Young
  Theory of MachineTheory of Machine - Nagrath & Gopal
Theory of Machine – S. S. Rattan
Theory of machine – R. S. Khurmi
Machine DesignMechanical Design – Shigley
Machine Design – Sharma & Agarwal
  Thermodynamics & its ApplicationsEngineering Thermodynamics – P. K. Nag
Power Plant Engineering – Arora & Domkundwar
Referigeration & Airconditioning – Arora & Domkundwar
I.C. Engines – V. Ganesan
Fluid Mechanics & Hydraulic MachinesFluid Mechanics – K. Z. Schaffer
Fluid Mechanics – Schaum’s series
Fluid Mechanics – A. K. Jain
Heat TransferHeat Transfer – J. P. Holman
Heat transfer – D.S. Kumar
Heat Transfer – Arora & Domkundwar
Manufacturing EngineeringProduction Engineering – R. K. Jain
Manufacturing Science – A.K. Ghosh
Industrial EngineeringIndustrial Engineering – Banga & Sharma