Cyient Embedded Software Engineer Interview Questions and Answers

After applying for drive through On Campus.From Hirepro Platform The mail was Triggered and in exam they conduct both Aptitude and Technical question from Embedded Systems,C,About 8051,8086 microcontrollers.After The next section Coding test Have Two Coding question Based Arrays Medium Level You Can do Coding In C or C++ or Phyton

Q1. At first Interviewer as asked me to Introduce my self and after he has asked My favourite subjects
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Q2. 1) which microcontroller you have used in Academics?
Ans. 
I have used STM32 microcontroller in my academics.
• I have worked on STM32F4 Discovery board for a project in my final year.

• I have also used STM32CubeMX software for code generation and debugging.

• I have experience in programming STM32 microcontrollers using C language.
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Q3. 2) About Linux Boot and How to Interface Raspberry pi
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Q4. 3) About Interrupt service Routine
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Q5. 4) About Real Operating Systems
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Q6. 5) About Deadlock, Priority Inversion
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Q7. 6) About Mutex and Semaphore
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Q8. 7) To write program for Toggle particular But in C?
Ans. 
To toggle a particular bit in C, use bitwise XOR operator with 1 at the desired bit position.
• Use bitwise XOR operator (^) with 1 at the desired bit position to toggle it.

• Example: To toggle the 3rd bit of a variable 'x', use x ^= (1 << 2);

• Make sure to use the correct bit position starting from 0 for the least significant bit.
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Q9. 8) To write program to iterate an array using pointer
Ans. 
Program to iterate an array using pointer
• Declare a pointer variable and initialize it to the base address of the array

• Use a loop to iterate through the array using the pointer variable

• Increment the pointer variable in each iteration to point to the next element

• Stop the loop when the pointer variable reaches the end of the array
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Q10. 9) Then about my projects
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C programming and aptitude

Q1. Introduction, C programming n data structure
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After shortlist they conducted one Aptitude test for me

After clearing Aptitude test they are taken technical round for me
In that round they are mostly asked me c and c++ questions and coding

Q1. Just HR round is simply he asked me about self intro. Finally he explained about company and My designation and doj
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Q2. --->Self introduction --->about company and why did you select this company.
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Q1. Questions regarding C
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Q2. Questions regarding the Embedded systems and microprocessor
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Q3. Basic Electronics and electrical concepts
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Q1. Background question and salary negotiation
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Q1. What is adc and sampling
Ans. 
ADC stands for Analog-to-Digital Converter. Sampling is the process of measuring and recording the amplitude of a continuous signal at regular intervals.
• ADC converts analog signals into digital values for processing by a microcontroller or computer

• Sampling involves taking discrete samples of a continuous signal at specific time intervals

• ADC and sampling are commonly used in data acquisition systems, sensor networks, an...read more
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Q2. Memory layout and compilation
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Q1. What is adc and sampling
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ADC stands for Analog-to-Digital Converter, which is used to convert analog signals into digital data through a process called sampling.
• ADC is used in embedded systems to convert physical quantities such as voltage, temperature, or light intensity into digital data for processing by a microcontroller.

• Sampling is the process of measuring the amplitude of an analog signal at regular intervals to create a digital represen...read more
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Q2. Basic c questions
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Q1. Salary expectations
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