Cyient Embedded Software Engineer Interview Questions, Process, and Tips

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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Given some questions and we can prefer the language

Q1. Have you worked on linux
Ans. 
Yes, I have worked on Linux for embedded software development.
• I have experience developing embedded software using Linux as the operating system.

• I have worked on customizing Linux kernels for specific embedded systems.

• I have used Linux tools and libraries for developing embedded applications.

• I have debugged and optimized software performance on Linux-based embedded systems.
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Q2. What is micro controller?
Ans. 
A microcontroller is a small computer on a single integrated circuit that contains a processor core, memory, and programmable input/output peripherals.
• Microcontrollers are used in embedded systems for controlling various devices and processes.

• They are commonly found in everyday devices such as microwave ovens, washing machines, and remote controls.

• Microcontrollers are programmed using specialized software tools and lan...read more
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Q1. Self introduction
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Q2. Are you ready to relocate
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Q1. The test had three sections: 10 - Aptitude questions 15 - C programming Mcq 3 - C programming coding questions
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Q1. Introduction. Difference between Embedded Systems and Embedded software. Difference between linux and windows. Why use microcontroller instead of microprocessor. C programming: structure and union, poi...read more
Ans. 
Interview questions for Embedded Software Engineer
• Embedded systems are hardware and software combined to perform a specific task

• Embedded software is the software component of an embedded system

• Linux is open-source, customizable, and widely used in embedded systems

• Windows is proprietary, less customizable, and not commonly used in embedded systems

• Microcontrollers have built-in memory and peripherals, making them more su...read more
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Freshers: Aptitude Test & project related subject Test

Experience: project related Test.

Q1. Fresher: training related questions Experience: Previous project related questions
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Q2. Project related questions
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Q1. Fresher & Experience: Subject related questions in resume
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Q1. Salary decision
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