Essential Limited Interview Questions and Answers

There are 65 questions related to ECE core topics, including Network Analysis, some on VLSI, Signals and Systems, Analog Circuits, Electronic Devices, and Amplifier Circuits. Additionally, there are 118 simple questions covering mind games, object identification, and series completion.

Q1. What is life according to you ?
Ans. 
Life is a journey filled with experiences, challenges, growth, and opportunities for self-discovery.
• Life is a precious gift that should be cherished and lived to the fullest

• It involves constant learning, adapting, and evolving as individuals

• Life is about forming meaningful relationships and connections with others

• It includes pursuing passions, setting goals, and overcoming obstacles

• Life is a balance of joy and sorrow,
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Q2. Does education help you to earn money ?
Ans. 
Education can help individuals earn money by providing them with valuable skills, knowledge, and opportunities for career advancement.
• Education can lead to higher paying job opportunities

• Specialized education or training can result in higher salaries

• Education can also lead to promotions and career advancement

• Higher levels of education are often correlated with higher earning potential
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Q3. Do you need education and fame ?
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Q1. Convert hexadecimal to decimal ?
Ans. 
Hexadecimal to decimal conversion involves multiplying each digit by 16 raised to the power of its position.
• Start from the rightmost digit and multiply each digit by 16 raised to the power of its position (0-indexed).

• Add the results of each multiplication to get the decimal equivalent.

• For example, converting 0x1A to decimal: (1 * 16^1) + (10 * 16^0) = 26.
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Q2. Design the components which are involved in the internal logic circuit of a 7-segment display based on the provided circuit ?
Ans. 
Components involved in the internal logic circuit of a 7-segment display include decoder, driver, and individual LED segments.
• Decoder: Converts input signals into the appropriate output signals for each segment.

• Driver: Amplifies the output signals from the decoder to drive the LED segments.

• Individual LED segments: Represent each of the seven segments in the display.

• Example: BCD to 7-segment decoder, transistor driver c
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Q3. Design specifications for creating a vending machine using a microcontroller, incorporating the display of amounts with two 7-segment displays and including four to five additional operational conditions?
Ans. 
Design a vending machine using a microcontroller with two 7-segment displays and additional operational conditions.
• Use a microcontroller to control the vending machine's operations

• Incorporate two 7-segment displays to show the amounts

• Include four to five additional operational conditions such as low inventory alert, coin validation, product selection, etc.
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Q1. Write an assembly language program for displaying a square waves for the frequency of 1 Hz and 2 Hz with the 2 ports .
Ans. 
Assembly language program to display square waves for 1 Hz and 2 Hz using 2 ports.
• Use assembly language instructions to control the ports for outputting square waves.

• Set up a loop to toggle the ports at the desired frequencies to generate the square waves.

• Ensure proper timing and synchronization between the two square waves.
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Q2. Write an assembly language program for reversing a byte for a hexadecimal value ? ex: A3 hexadecimal needs to converted to C5 when reversed .
Ans. 
Assembly language program to reverse a byte for a hexadecimal value.
• Load the hexadecimal value into a register

• Extract the lower 4 bits and upper 4 bits of the byte

• Swap the lower and upper 4 bits

• Combine the swapped bits to get the reversed byte
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Q1. When 2 trains move in opposite directions , what point will they meet at different speeds? And related questions
Ans. 
The trains will meet at a point that is determined by the relative speeds of the trains.
• The point where the trains meet is determined by the sum of the distances traveled by each train.

• The time taken for the trains to meet is determined by the relative speeds of the trains.

• If Train A is traveling at 50 mph and Train B is traveling at 70 mph, they will meet at a point that is closer to Train B's starting point.
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Q2. Matrices , volume , Coins , probability
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Q1. They will be asking mostly what ever you have written in the 2-5 rounds which will be conducted in the company premises .
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Q2. Flip flops, diff of micro-controller and microprocessor, logic gates , I2C , USART , SPI
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Q1. How to utilise your work time
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Q2. How to closing pressure handling
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Round one discuss to your name address qualification which company experience which department

Round 2 check your check your experience your behaviour

Q1. Round 3 check your communication profile
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Q2. And second option check your discipline and character
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Q1. Now question by your technical line which department you working which line
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Q2. Which line your working
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Q1. Next meeting next group meeting
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Q2. Final decision
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Q1. Based relevant experience questions.
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Q2. Previous experience at work related and technical round
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Q1. Relevant work experience and roles and responsibilities
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Q1. About our myself. And ask about previous work experience.
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Q2. Communicate to company culture and benifits
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Q1. Is this a permanent position?
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Q2. What is the salary range based on experience?
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Q1. Maintenance work and chiller operations
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Q2. Preventive maintenance and panel board wiring
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Q3. HVAC line and HT yard line erraction
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Q1. Self intro previous company experience
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Q2. 1 year Experience
Ans. 
Yes, I have 1 year of experience as a Rework Technician.
• I have experience troubleshooting and repairing electronic components.

• I am familiar with soldering techniques and equipment.

• I have worked with various testing tools and equipment.

• I have experience following technical diagrams and instructions.

• I have strong attention to detail and quality control.
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Q3. Previous company what product
Ans. 
I worked at a company that manufactured consumer electronics such as smartphones and tablets.
• Company specialized in consumer electronics

• Products included smartphones and tablets
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Q4. Previous company what position
Ans. 
I was a Quality Control Inspector at XYZ Company.
• Performed quality checks on products to ensure they met company standards

• Identified and documented defects for rework or disposal

• Collaborated with production team to address quality issues

• Utilized testing equipment and tools to assess product quality
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Q1. Self intro previous company experience
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Q1. Technical based general knowledge question
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Q1. Aptitude Topics - Age, Profit and Loss, Verbal , Logical 1. The Sum of ages of 5 children born at interval of 3 yrs each is 50 yrs . what is the age of the youngest child ?
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Q2. JFET Terminal ? SCR Terminal ? If impurity is increased in intrinsic semiconductor , the breakdown voltage will ? Which Gate is used as inverter ? Which is difficult to fabricate in IC ? Resistivity...read more
Ans. 
Answering questions related to JFET, SCR, impurity in semiconductor, gates, IC fabrication, resistivity of silicon, and transistors.
• JFET terminals are Gate, Drain, and Source.

• SCR terminals are Anode, Cathode, and Gate.

• Increasing impurity in intrinsic semiconductor decreases breakdown voltage.

• MOSFET gate is used as an inverter.

• Diffusion of resistors is difficult to fabricate in IC.

• Resistivity of pure Silicon is around 2
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Each team has 15 mins of time
Topics
1.E-Vehicles in India (Pros and Corns)
2.Indian Youths choosing Politics as Career is encouraged / not ?
3.Indian Education / Foreign Education ?

Q1. - Be Very Clear in Area of Interest mentioned in Resume + Internship(Know the Basics) + workshop . CMRR Ratio ? Ideal Characteristics of OPAMP - I/P and O/P Impedance ? What is KCL ? Effective Resistor Pr...read more
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