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Experiment based question
I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
Reverse an integer
Convert integer to string and reverse the string
Use modulo operator to extract digits and reverse them
Use recursion to reverse the integer
Print 1 to 10 without using loops.
Use recursion to print numbers.
Use a switch statement to print numbers.
Use an array and map function to print numbers.
Reverse a string using recursion
Create a function that takes a string as input
If the string is empty, return an empty string
Otherwise, call the function recursively with the substring starting from the second character
Concatenate the first character with the result of the recursive call
Thread is a lightweight unit of a process. Process is an instance of a program that runs independently.
Threads share the same memory space as the parent process while processes have their own memory space.
Threads are faster to create and switch between than processes.
Processes are more secure and stable than threads.
Example: A web server can have multiple threads to handle multiple requests simultaneously.
Example: A wo...
SPI and I2C are communication protocols used to transfer data between devices.
SPI is faster than I2C.
SPI uses separate lines for data and clock signals while I2C uses a shared line.
I2C supports multiple devices on the same bus while SPI requires a separate chip select line for each device.
SPI is commonly used for high-speed communication between microcontrollers and peripherals while I2C is used for low-speed communica
The start condition for SPI is a low-to-high transition on the SCK line while SS is high.
SPI communication begins when the master device sends a start condition to the slave device.
The start condition is a low-to-high transition on the SCK line while SS is high.
The SS line is used to select the slave device for communication.
The SPI protocol supports multiple slaves, but only one slave can be selected at a time.
After t...
C++ program to store EMP ID, name, and salary using array of strings.
Declare an array of strings to store EMP ID, name, and salary
Use cin to take input from user and store in the array
Use cout to display the stored data
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posted on 31 May 2021
I applied via Company Website and was interviewed in May 2021. There were 4 interview rounds.
Multithreading in Java allows multiple threads to execute concurrently within a single program.
Java provides built-in support for multithreading through the java.lang.Thread class.
Threads can be created by extending the Thread class or implementing the Runnable interface.
Synchronization is used to prevent race conditions and ensure thread safety.
Java also provides several classes and interfaces for managing thread exec...
posted on 5 Sep 2022
I applied via Campus Placement and was interviewed in Aug 2022. There were 3 interview rounds.
Two Easy questions to be solved
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.
The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.
The time complexity of heap sort is O(n log n) and it is an in-place sor...
posted on 31 Oct 2023
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
It was an MCQ based test. Code Snippets as well as OOPS, OS, DBMS questions were there
posted on 11 Sep 2024
I applied via Recruitment Consulltant and was interviewed before Sep 2023. There were 5 interview rounds.
IT was basic question from string and array
Use depth-first search to traverse the tree and identify leaf nodes.
Implement depth-first search algorithm to traverse the tree.
Identify nodes with no children as leaf nodes.
Store leaf nodes in an array for retrieval.
Reverse each word in a sentence without using default function.
Split the sentence into words
Iterate through each word and reverse it
Join the reversed words back into a sentence
Fibonacci series using recursion is a classic programming problem where each number is the sum of the two preceding ones.
Define a recursive function that takes an integer n as input
Base case: if n is 0 or 1, return n
Recursive case: return the sum of the previous two Fibonacci numbers
Call the function recursively with n-1 and n-2 until base case is reached
Find 1st, 2nd, and 3rd highest integers from an array.
Sort the array in descending order.
Retrieve the first three elements from the sorted array.
Handle cases where array length is less than 3.
posted on 14 Sep 2024
I applied via LinkedIn and was interviewed before Sep 2023. There was 1 interview round.
posted on 9 Dec 2024
I applied via Job Portal and was interviewed before Dec 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Multi threading in WPF can be achieved using the Task Parallel Library (TPL) or BackgroundWorker class.
Use Task.Run() method to run code on a separate thread.
Use async/await keywords to perform asynchronous operations.
Use BackgroundWorker class for simpler multi-threading scenarios.
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