Attero Recycling Plant Supervisor Interview Questions and Answers

Q1. Ofdm, equalization, estimation
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Q1. Details of UVM and System Verilog blocking and non blocking assignment
Ans. 
UVM is a methodology for verifying complex designs using SystemVerilog. Blocking assignments execute sequentially, while non-blocking assignments execute concurrently.
• UVM (Universal Verification Methodology) is a standardized methodology for verifying complex designs in SystemVerilog.

• Blocking assignments in SystemVerilog execute sequentially, meaning the next statement waits for the current statement to finish.

• Non-bloc...read more
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Q1. Where do you see yourself in 5 years and strength and weakness
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Q1. Ofdm, equalization, estimation
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Q1. Implement a malloc function.
Ans. 
Implementing a malloc function involves dynamically allocating memory in C programming.
• Use the malloc function from stdlib.h library to allocate memory on the heap.

• Remember to check if the memory allocation was successful by checking if the returned pointer is not NULL.

• Don't forget to free the allocated memory using the free function to avoid memory leaks.
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Q1. Related to AOSP and one easy programming question
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Q1. More in depth about AOSP
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Q1. Mostly about the company reuirements
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Q1. Salary and joining date negotiation
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Q1. This was more like shortlisting round with manager. Asked about resume and previous work experience. Not much Technical questions.
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Q1. Python programming questions, Basics
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Q2. Python oops concepts
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Q3. What is module in Python
Ans. 
A module in Python is a file containing Python code, which can define functions, classes, and variables.
• Modules help organize Python code into reusable components

• Modules can be imported into other Python scripts using the 'import' keyword

• Examples of modules in Python include math, random, and os
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Q4. Python memory management
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Q5. Basic Devops questions
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Pointer and linked list

Pure technical on kernel programming

Q1. Pure technical questions on background project
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Q2. Mutex semaphore and spinlock
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Q3. How you will achieve multi threaded programming
Ans. 
Multi-threaded programming can be achieved by creating multiple threads that run concurrently.
• Identify the tasks that can be executed in parallel

• Create threads using threading libraries in the chosen programming language

• Synchronize the threads to avoid race conditions and deadlocks

• Use locks, semaphores, and mutexes to manage shared resources

• Optimize the performance by balancing the workload among threads
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Q1. Why you want to join this company
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Q1. Tell me about yourself
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Q2. How do you clean data in python
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