WARAQ, Arab paper Company 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. Hero motors Ltd to you too dear love to you in advance for taking care of yourself and your life is tarah ke liye
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Hero motors and your team to you too beta you are you doing in class today you too dear m kal b and b shift to you earlier w you are not

Q1. Diploma electronics ke liy vacancies hai
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Q2. I have diploma electronics engineering
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Q3. Main onlroll lag sakta hu
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Q4. 4 years experience bhi h
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Q1. Basic detail regarding family background
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Q1. Purchase cycle and technical skills
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Q1. Basic Questions asked related to Qualification and previous working experience.
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Q2. Excel Test was conducted by HR via Zoom app (Topics were asked - Count , count if, sum, sum if, Vlook up, Concatenate, Conditional Formatting, Data Validation, Pivot table, difference between largest and s...read more
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Q1. Self Introduction and Previous Working description conducted by Admin cum Head of logistics department, senior executive. They also asked definition of MS Word, MS Excel, MS powerpoint, difference between ...read more
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Q2. Questions related to Material master that is procurement, order processing, Invoicing, dispatching, and Eway billing in SAP. How and when its required?
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Q3. Personality Test that is How do you know about our Industry, Background,
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Q4. Why should we hire you? What do you know about logistic department? How To Maintain Warehouse properly so that we can easily process the order as per customer requirement? How logistic department works? Wa...read more
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Q5. How would you deal with critical situation?
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Q6. Are you really willing to work with us? (they will tell that you may face problem will you compromise your mood? actually they are examining that whether you're really interested to work with them or not a...read more
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Q1. What is tolerence
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Q2. Types of Tolerance
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Q3. How many types of casting are there
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Q1. What are the factor for selcting new machine
Ans. 
Factors for selecting a new machine include cost, efficiency, reliability, compatibility, and support.
• Cost - Consider upfront cost, maintenance costs, and potential savings in the long run.

• Efficiency - Look at the machine's performance and how it can improve productivity.

• Reliability - Ensure the machine is durable and will not break down frequently.

• Compatibility - Check if the machine integrates well with existing syst...read more
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Q2. Power consumption in Injection Moulding machine per hour cost.
Ans. 
The power consumption in an Injection Moulding machine per hour directly impacts operational costs.
• Power consumption is typically measured in kilowatt-hours (kWh) per hour.

• The cost of power per kWh varies depending on location and energy provider.

• Factors affecting power consumption include machine size, cycle time, and efficiency.

• Regular maintenance and optimization can help reduce power consumption and costs.

• Example: ...read more
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Q1. Family background
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Q2. CTC Discussion
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