STJ Electronics SQL Database Engineer Interview Questions and Answers

Q1. Implement atoi in c language
Ans. 
atoi function converts a string to an integer in C language
• Use a loop to iterate through each character of the input string

• Check if the character is a digit (0-9) using 'isdigit' function

• Calculate the integer value by multiplying the current value by 10 and adding the digit value
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Q2. Remove the head of the linked list mainitning the remaining links
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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. 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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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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It is to attend.major physics

Easy coding.simple problems in c

Q1. Explain storage variables in C?
Ans. 
Storage variables in C are used to store data temporarily during program execution.
• Storage variables in C are declared using data types like int, float, char, etc.

• They can be stored in different memory locations like stack, heap, or data segment.

• Variables declared outside functions have global scope and are stored in data segment.

• Variables declared inside functions have local scope and are stored in stack memory.

• Dynami...read more
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Q2. Take two numbers, reverse both, then perform addition and reverse again?
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Q3. First three kinds of sorting
Ans. 
The first three kinds of sorting are bubble sort, selection sort, and insertion sort.
• Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Selection sort selects the smallest element and swaps it with the first element, then selects the second smallest element and swaps it with the second element, and so on.

• Insertion sort builds the final sorted array one item at a time by inserting each
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Q4. Output questions based on pointers in C
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Physics,electronic ,aptitude and basic engineering math

Coding in c in arrays and strings