Micron Technology Quality Engineer Interview Questions and Answers

Easy questions were there in round 10 . . . . . . .

Q1. Easy questions. . . . . . . . .
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Q2. Everything from fundamentals.....
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Q1. Last Project details
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Designed and implemented a cloud-based data analytics platform for real-time monitoring of network performance.
• Led a team of 5 engineers in developing the platform using AWS services such as EC2, S3, and Lambda functions

• Integrated data visualization tools like Tableau for generating reports and dashboards

• Implemented machine learning algorithms for predictive analysis of network outages

• Collaborated with stakeholders to ...read more
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Q2. SV -UVM questions
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Q1. NX tool test given
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Q2. Technical round with interviewers
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Practice on hackerrank, they send hackerrank link for screening round.

Q1. C, os, embedded questions
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Q1. C, data structures,os
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Q1. Previous jobs, salary discussion, relocation
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Q1. Find the length of longest common subsequence in given strings.
Ans. 
The length of the longest common subsequence in given strings is found using dynamic programming.
• Use dynamic programming to find the length of the longest common subsequence.

• Compare characters of the strings and build a matrix to store the lengths of common subsequences.

• Traverse the matrix to find the length of the longest common subsequence.
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Q2. A basic DFS based graph question.
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Write the algorithm for topological sorting.

Q1. Basic system design questions.
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Q2. Explain CAP theorem.
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CAP theorem states that in a distributed system, it is impossible to simultaneously guarantee consistency, availability, and partition tolerance.
• Consistency: All nodes in the system have the same data at the same time.

• Availability: Every request gets a response, even if some nodes are down.

• Partition Tolerance: The system continues to operate despite network partitions.

• In a distributed system, you can only achieve two o...read more
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Q1. Explain your previous projects .
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Q1. Function to write data to some memory location which can dynamically allocate memory and return the address details where data is present .
Ans. 
Function to dynamically allocate memory and write data to a memory location, returning the address details.
• Use malloc() or calloc() to dynamically allocate memory

• Use memcpy() or strcpy() to write data to the allocated memory

• Return the address details where data is present
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Q2. Memory Management and mapping in different scenarios.
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Memory management involves allocating and deallocating memory efficiently, while mapping involves associating memory addresses with physical locations.
• Memory management is crucial for optimizing performance and preventing memory leaks.

• Mapping involves translating virtual memory addresses to physical memory locations.

• Different scenarios may require different memory management strategies, such as stack allocation vs heap...read more
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Q3. Program to find length of bits assigned in memory using recursion.
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Program to find length of bits assigned in memory using recursion.
• Define a recursive function to count the bits in memory

• Base case: if input is 0, return 0

• Recursive case: return 1 + function(input / 2)
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Q1. Volatile usage w.r.t to gpio initialization, how volatile can help in overwriting compiler optimization.
Ans. 
Volatile keyword prevents compiler optimization by telling the compiler that the variable's value can change unexpectedly.
• Volatile keyword is used to indicate that a variable may be changed unexpectedly, such as in the case of hardware registers.

• When initializing GPIO pins, using volatile keyword ensures that the compiler does not optimize away the initialization code.

• Without volatile keyword, the compiler may optimize...read more
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Q2. Union usage for bit assignments.
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Unions in C/C++ can be used for bit assignments by allowing multiple variables to share the same memory location.
• Unions allow different data types to be stored in the same memory location, which can be useful for bit manipulation.

• By defining a union with multiple variables of different data types, you can access the same memory location using different variable names.

• For example, you can use a union to access individua...read more
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Q3. Explain static const usage with an example .
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static const is used to declare constants that are known at compile time and cannot be modified
• static const int MAX_SIZE = 100; // declaring a constant integer

• static const double PI = 3.14159; // declaring a constant double

• static const char* MESSAGE = "Hello, World!"; // declaring a constant string
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Q4. Program to find the sum of all the digital in the number .
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Q5. Create a linkedlist check if list is circular if not then reverse it .
Ans. 
Check if a linked list is circular, if not reverse it.
• Create two pointers, one moving at double the speed of the other to detect a cycle

• If a cycle is detected, the list is circular. If not, reverse the list by changing the pointers' directions
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Q1. Define Architecture to process real-time data .
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Architecture to process real-time data involves designing systems that can efficiently collect, process, and analyze data in real-time.
• Utilize distributed systems to handle high volumes of data in real-time

• Implement stream processing frameworks like Apache Kafka or Apache Flink

• Use microservices architecture for scalability and flexibility

• Employ in-memory databases for fast data retrieval

• Ensure fault tolerance and data ...read more
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Q2. Various data filtering techniques.
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Various data filtering techniques include sorting, grouping, aggregating, and applying filters based on specific criteria.
• Sorting: arranging data in a specific order, such as ascending or descending

• Grouping: categorizing data into distinct groups based on common attributes

• Aggregating: combining multiple data points into a single value, such as summing or averaging

• Filtering: selecting only the data that meets certain cr...read more
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Q3. Mock code to initialize gpio using hal functions as well as write a function to set and clear gpio status .
Ans. 
Initialize and control GPIO using HAL functions in embedded systems.
• Use HAL_GPIO_Init() function to initialize GPIO pins

• Use HAL_GPIO_WritePin() function to set or clear GPIO status

• Example: HAL_GPIO_Init(&GPIO_InitStruct)

• Example: HAL_GPIO_WritePin(GPIOx, GPIO_PIN_x, GPIO_PIN_SET)
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Q4. Structure which can take input as 0 or 1 , based on the input traverse the linkedlist and return the decimal equivalent of the traversed data .
Ans. 
Traverse a linked list based on input 0 or 1 to return decimal equivalent.
• Create a function that takes input 0 or 1 and traverses the linked list accordingly.

• For each node in the linked list, multiply the current decimal value by 2 and add the data of the node if input is 1.

• Return the final decimal value after traversing the linked list.
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