Electronics and Communication Engineering Questions And Answers
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Electronics and Communication Engineering Questions and Answers - Chapters
- Signals and Systems Questions & Answers
- Measurements and Instruments Questions & Answers
- Satellite Communications Questions and Answers
- Microprocessor Questions and Answers
- Electronic Devices and Circuits Questions and Answers
- Microwave Engineering Questions and Answers
- ElectroMagnetic Field Theory Questions and Answers
- Analog Electronics Questions & Answers
- Digital Electronics Questions & Answers
- Communication Systems Questions & Answers
- Control Systems Questions & Answers
Signals and Systems Questions & Answers
1. _________ is defined as any physical quantity that varies with time, space or any other independent variable
Signals and Systems Questions & Answers
2. A discrete signal is said to be even or symmetric if x(-n) is equal to
Signals and Systems Questions & Answers
3. A signal is a power signal when the signal has
Signals and Systems Questions & Answers
4. Which of the following time system operates with a continuous time signal & produces a continuous time output signal
Signals and Systems Questions & Answers
5. The function which relates output of a system to the input(signal) of a system is
Measurements and Instruments Questions & Answers
1. _______ is defined as the increment in the input of the instrument for which the output remains constant
Measurements and Instruments Questions & Answers
2. ______ is defined as the ratio of change in output to that of change in the quantity being measured
Measurements and Instruments Questions & Answers
3. In any device, the difference between the measured value & true value is referred as
Measurements and Instruments Questions & Answers
4. For a time varying input the quality of indication by the instrument is referred as _______
Measurements and Instruments Questions & Answers
5. ______ is determined as the algebraic numerical difference between the true value of the quantity & the value recorded by the measuring instrument at any instant
Satellite Communications Questions and Answers
1. _____ is an artificial body that is projected from earth to orbit either earth (or) another body of solar systems.
Satellite Communications Questions and Answers
2. _____ is defined as the use of orbiting satellites to receive, amplify and retransmit data to earth stations.
Satellite Communications Questions and Answers
3. ________ law states that the path followed by the satellite around the primary will be an ellipse.
Satellite Communications Questions and Answers
4. _____ law states that for equal time intervals, the satellite will sweep out equal areas in its orbital plane, focused at the barycenter.
Satellite Communications Questions and Answers
5. _____ law states that the square of the periodic time of orbit is perpendicular to the cube of the mean distance between the two bodies. A3 = 3/n2
Microprocessor Questions and Answers
1. Which of the following is the 16bit registors in 8085 processor
Microprocessor Questions and Answers
2. Which of the following depends on the microprocessor speed
Microprocessor Questions and Answers
3. In 8088, which of the following option differs from 8086
Microprocessor Questions and Answers
4. In 8255, ______number of modes of I/O mode of operation we have, which of the following features comes under which mode
(i) A 5 bit control port is available.
(ii) 3 I/O lines are available at Port C
Microprocessor Questions and Answers
5. In ADC 0808, which of the following pin enables high output
Electronic Devices and Circuits Questions and Answers
1. ____ number of terminals does a diode have
Electronic Devices and Circuits Questions and Answers
2. Which of the following options defines the diode
Electronic Devices and Circuits Questions and Answers
3. One ev is equal to __________
Electronic Devices and Circuits Questions and Answers
4. Which of the following elements are most frequently used for doping pure Ge or Si ?
Electronic Devices and Circuits Questions and Answers
5. In which of the following state does the silicon diode has the voltage drop of 0.7V ?
Microwave Engineering Questions and Answers
1. __________ is a region of Electromagnetic spectrum having frequency ranging from 1GHz to 100 GHz
Microwave Engineering Questions and Answers
2. Which of the following bands that comes under Microwave Band
Microwave Engineering Questions and Answers
3. Which of the following is the main advantage of microwave
Microwave Engineering Questions and Answers
4. Reflex klystron is a ______
Microwave Engineering Questions and Answers
5. On which of the following principle does Klystron operates
ElectroMagnetic Field Theory Questions and Answers
1. Poynting vector gives
ElectroMagnetic Field Theory Questions and Answers
2. If a transmission line with characteristic impedance Z1 is connected to a transmission line with characteristic impedance Z2. If the system is being driven by a generator connected to the first line, then the
overall transmission coefficient will be
ElectroMagnetic Field Theory Questions and Answers
3. Which of the following is the Poisson’s equation
ElectroMagnetic Field Theory Questions and Answers
4. If An electromagnetic wave is incident obliquely at the surface of a dielectric medium 2(µ2 , ∈2) from dielectric medium 1(µ1 , ∈1), The angle of incidence & the critical angle are θi and θc respectively.
Then the phenomenon of total reflection occurs when
ElectroMagnetic Field Theory Questions and Answers
5. Which one of the following conditions will not guarantee a distortionless Transmission Line
Analog Electronics Questions and Answers
1. In a transistor switch, the voltage change from base-to-emitter which is adequate to accomplish the switching is only about
Analog Electronics Questions and Answers
2. Which of the following is the conversion time of a dual-slope ADC
Analog Electronics Questions and Answers
3. If a certain multiplexer can switch one of 32 data inputs to its output. How many different inputs does this MUX have?
Analog Electronics Questions and Answers
4. Which of the following is the value of unity gain bandwidth of 741 OPAMP
Analog Electronics Questions and Answers
5. __________ is known as fastest switching logic family
Digital Electronics Questions and Answers
1. The output of a JK flipflop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions
Digital Electronics Questions and Answers
2. A full adder logic circuit will have
Digital Electronics Questions and Answers
3. For which of the following purpose Karnaugh map is used
Digital Electronics Questions and Answers
4. Which of the following is a universal logic gate?
Digital Electronics Questions and Answers
5. How many two input AND and OR gates are required
Communication Systems Questions And Answers
1. In __________ communication , the media of transmission is a pair of conductors called transmission line
Communication Systems Questions And Answers
2. In _________ communication transmission media is open space or free space.
Communication Systems Questions And Answers
3. _________ is the equipment which converts physical message, such as sound, words, pictures etc., into corresponding electrical signal.
Communication Systems Questions And Answers
4. __________ is equipment which converts electrical signal back to the physical message.
Communication Systems Questions And Answers
5. _________ is defined as the process by which some characteristics (i.e. amplitude, frequency, and phase) of a carrier are varied in accordance with a modulating wave
Control Systems Questions And Answers
1. _________ is the one which can control any quantity of interest in machine, mechanism or other equipment in order to achieve the desired performance or output
Control Systems Questions And Answers
2. ___________ is an interconnection of components connected or related in such a manner as to command, direct or regulate itself or another system
Control Systems Questions And Answers
3. Which of the following are the examples of Open loop control systems
Control Systems Questions And Answers
4. Which of the following are the examples of Closed loop control systems
