Analog Devices Embedded Software Engineer Interview Questions and Answers

Q1. Why we should use auto keyword in local scope only
Ans. 
Using auto keyword in local scope only ensures type safety and avoids unintended side effects.
• Auto keyword deduces the type of the variable from its initializer expression.

• Using auto in local scope avoids unintended type conversions and promotes type safety.

• Auto keyword should not be used for function parameters or class members.

• Example: auto x = 10; // x is deduced as int

• Example: auto y = 3.14; // y is deduced as doub
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Q2. Why the default value of reg keyword is garbage value only
Ans. 
The default value of reg keyword is garbage value due to performance optimization.
• Garbage value is faster to assign than initializing to a specific value.

• Initializing to a specific value would require additional instructions and memory access.

• The value of reg keyword is expected to be overwritten before use.

• Garbage value can help in detecting uninitialized variables during testing.

• Example: int x; // x will have a garba
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Q1. What can you tell me about your previous company?
Ans. 
My previous company was a leading automotive electronics manufacturer.
• Specialized in developing embedded software for automotive control systems

• Worked on projects involving CAN bus communication and vehicle diagnostics

• Collaborated with cross-functional teams including hardware engineers and test engineers
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Q2. What is your current Cost to Company (CTC) and your notice period?
Ans. 
My current CTC is $80,000 per year and my notice period is 2 months.
• Current CTC: $80,000 per year

• Notice period: 2 months
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Q3. Expected cost to company (CTC).
Ans. 
Expected CTC should be based on industry standards, experience, skills, and location.
• Research industry standards for Embedded Software Engineers in your location.

• Consider your level of experience and skills - more experience and specialized skills may command a higher salary.

• Factor in the cost of living in the location where the job is based.

• Negotiate based on the benefits package offered by the company.

• Be prepared to ...read more
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All basic programs on c and linux

Q1. Based on c microprocessor microcontroller and linux
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Q2. Based on networking
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Q3. Based communication protocols
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Q1. Bitwise operation , data structures, C
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Q1. Why are looking for change
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Q1. WAP based on array question
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Q2. Technical questions based on CV
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Q1. An interview about 40 mins and questions on coding and embeded systems.
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Q2. Asked on linked lists .
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Q3. About functioning pf micro contoller.
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Q1. What is stack overflow
Ans. 
Stack overflow occurs when a program uses more memory than the call stack can handle, leading to a crash.
• Occurs when a program's call stack runs out of memory

• Can lead to crashes or unexpected behavior

• Common in recursive functions with no base case

• Can be caused by infinite loops or excessive memory usage
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