Attero Recycling Interview Questions and Answers

We have 25 questions and negative marking is there

Q1. What are storage classes in c language?
Ans. 
Storage classes in C language define the scope and lifetime of variables.
• There are four storage classes in C: auto, register, static, and extern.

• Auto variables are local to the block they are declared in and have automatic storage duration.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and ...read more
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Q2. How many address lines are present in 1kb memory?
Ans. 
There are 10 address lines present in 1kb memory.
• 1kb memory = 1024 bytes

• To address 1024 bytes, 10 address lines are needed (2^10 = 1024)
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Q1. Program on array , reverse the array
Ans. 
Reverse an array of strings
• Create a new array to store the reversed strings

• Iterate through the original array in reverse order and add each element to the new array

• Return the new array as the reversed array
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Q2. Logic gates, what is the output of this .they will ask by showing picture
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Q1. Ofdm, Fixed point, sampling theorem, digital filters,
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Q2. Previous work clarity
Ans. 
Previous work clarity is essential for successful collaboration and understanding of project requirements.
• Clearly explain the projects you have worked on in the past, including your role and responsibilities

• Provide examples of how you communicated with team members to ensure clarity in project goals

• Discuss any challenges you faced in previous projects and how you overcame them
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Q1. Fft, ofdm, CP, sampling theorem, previous experience,
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Q2. C basics, memory layout, function pointer, big small endian, bit manipulation, zero padding in structures
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Bit manipulation, memory layout, interrupts, semaphore mutex, implement memcpy, sorting, algo to share resource equally

Q1. Previous work experience, general attitude
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