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I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 4 interview rounds.
I am aware of various e-learning authoring tools such as Articulate Storyline, Adobe Captivate, and Camtasia.
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I was interviewed in Oct 2016.
My hobbies include hiking, playing guitar, and cooking.
Hiking: I enjoy exploring nature trails and challenging myself physically.
Playing guitar: I love learning new songs and improving my skills.
Cooking: I like experimenting with different recipes and creating delicious meals.
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
Leading a team of developers
Working on complex projects
Continuously learning and improving my skills
Contributing to the growth and success of the company
I want to join DELL because of their innovative technology solutions and strong reputation in the industry.
DELL is known for their cutting-edge technology solutions which align with my passion for software development.
I admire DELL's strong reputation in the industry and their commitment to customer satisfaction.
I believe joining DELL will provide me with opportunities for growth and career advancement.
I was interviewed in Jan 2017.
I was interviewed before Sep 2016.
I was interviewed in Mar 2017.
Oops concepts in Java
Encapsulation - hiding implementation details
Inheritance - reusing code and creating parent-child relationships
Polymorphism - multiple forms of a method or object
Abstraction - creating abstract classes and interfaces
Example: Encapsulation - using private variables and public methods
Example: Inheritance - creating a subclass that inherits from a superclass
Example: Polymorphism - using method overloa...
Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.
Use ALTER TABLE statement to modify columns
Add new columns using ADD COLUMN
Delete columns using DROP COLUMN
Modify columns using MODIFY COLUMN
Changing column data type may result in data loss
Reversing a number in Java
Convert the number to a string
Use StringBuilder to reverse the string
Convert the reversed string back to a number
To extract words from a line in Java, split the line using whitespace as delimiter.
Use the split() method of String class
Pass the whitespace regex as argument to split() method
Iterate over the resulting array to get individual words
I applied via Naukri.com and was interviewed in Oct 2019. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
This was the first technical round.
Given a singly linked list of integers, return the head of the reversed linked list.
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link...
Reverse a singly linked list of integers and return the head of the reversed linked list.
Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.
Keep track of the previous, current, and next nodes while reversing the linked list.
Update the head of the reversed linked list as the last node encountered during reversal.
You are given a binary tree consisting of distinct integers and two nodes, X
and Y
. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes...
Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.
Traverse the binary tree to find the paths from the root to nodes X and Y.
Compare the paths to find the last common node, which is the LCA.
Handle cases where one node is an ancestor of the other.
Consider edge cases like when X or Y is the root node.
Implement a recursive or iterative solution to find the LCA efficiently.
Internal fragmentation occurs when allocated memory is larger than the requested memory, leading to wasted space.
Internal fragmentation is common in memory management systems.
It occurs when a block of memory is allocated to a process, but the process does not use all of the allocated memory.
This results in wasted space within the allocated block.
For example, if a process requests 100 bytes of memory but is allocated a ...
BSS segment in memory stores uninitialized static and global variables.
BSS segment stands for 'Block Started by Symbol' and is a section of memory where uninitialized static and global variables are stored.
Variables declared with the 'static' keyword or as global variables without initialization are stored in the BSS segment.
For example, int a; or static int b; would be stored in the BSS segment.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on DSA, OS, OOPS etc.
Given a positive integer 'N', compute its square root and return it. If 'N' is not a perfect square, then return the floor value of sqrt(N).
N = 25
N = 20
N...
Calculate the square root of a positive integer and return the floor value if not a perfect square.
Use the sqrt() function to calculate the square root of the given integer.
If the square root is not an integer, return the floor value using floor() function.
Handle constraints such as the range of 'N' and the number of test cases.
The returned value for the 'main' function goes to the operating system.
The returned value is typically an integer representing the exit status of the program.
A return value of 0 usually indicates successful execution, while non-zero values indicate errors.
The operating system can use the return value to determine the success or failure of the program.
A segmentation fault is a type of error that occurs when a program tries to access a memory location that it is not allowed to access.
Occurs when a program tries to access memory outside of its allocated space
Usually caused by bugs in the code such as accessing an uninitialized pointer or writing past the end of an array
Can lead to program crashes or unexpected behavior
Example: Accessing an element beyond the bounds of
Round duration - 30 minutes
Round difficulty - Easy
This was a typical managerial round.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on DSA, Programming and OOPS.
Given two strings A
and B
, find the index of the first occurrence of A
in B
. If A
is not present in B
, return -1.
A = "bc", B = "abcdd...
Implement the strstr() function in C to find the index of the first occurrence of one string in another.
Iterate through the main string and check if the substring matches at each position.
Return the index if a match is found, else return -1.
Handle edge cases like empty strings or when the substring is longer than the main string.
Accessing a null pointer in C results in a segmentation fault, as the program tries to access memory at address 0.
Attempting to dereference a null pointer will result in a segmentation fault, as the program tries to access memory at address 0.
It is important to always check if a pointer is null before attempting to access its value.
Example: int *ptr = NULL; printf('%d', *ptr); // This will result in a segmentation faul
Phases of a compiler include lexical analysis, syntax analysis, semantic analysis, optimization, and code generation.
Lexical analysis: Converts source code into tokens.
Syntax analysis: Checks the syntax of the code using a grammar.
Semantic analysis: Checks the meaning of the code.
Optimization: Improves the code for efficiency.
Code generation: Generates machine code or intermediate code.
A system stack is a data structure that stores information about the active subroutines of a computer program.
A system stack typically consists of a stack of frames, each representing a subroutine call.
The stack grows and shrinks as subroutines are called and returned.
The top of the stack points to the currently executing subroutine.
Common operations on a system stack include push (adding a new frame) and pop (removing
Given an integer N
, for each integer from 0
through N
, find and print the number of set bits (1s) present in its binary representation.
N = 5
...
Count the number of set bits in binary representation of integers from 0 to N.
Iterate through integers from 0 to N and count the number of set bits in their binary representation.
Use bitwise operations to check if a bit is set in the binary representation.
Return the count of set bits for each integer in the range.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on DSA, Programming and OOPS.
You are provided with a binary tree consisting of 'N' nodes, where each node contains an integer value. Your task is to perform the In-Order traversal ...
Perform In-Order traversal on a binary tree without recursion.
Use a stack to simulate the recursive process of In-Order traversal.
Start with the root node and keep traversing left until reaching a null node, pushing nodes onto the stack.
Pop nodes from the stack, print the value, and move to the right child if it exists.
Repeat until the stack is empty and all nodes have been visited.
Determine if a given singly linked list of integers contains a cycle.
A cycle in a linked list occurs when a node's next points back to a previous node in ...
Detect if a singly linked list has a cycle by using Floyd's Cycle Detection Algorithm.
Use Floyd's Cycle Detection Algorithm to detect a cycle in a singly linked list.
Maintain two pointers, one moving at twice the speed of the other.
If there is a cycle, the two pointers will eventually meet.
If one of the pointers reaches the end of the list (null), there is no cycle.
An interrupt is a signal sent to the CPU to alert it of an event that needs immediate attention.
Interrupts can be generated by hardware devices or software programs.
They can be used to handle events such as keyboard input, mouse clicks, or network activity.
Interrupts can be classified as hardware interrupts, software interrupts, or exceptions.
Examples of interrupts include the timer interrupt, which is used for multita...
CSMA stands for Carrier Sense Multiple Access. It is a protocol used in network communication to avoid collisions.
CSMA allows devices to listen to the network before transmitting data to avoid collisions.
If a device senses that the network is busy, it waits for a random amount of time before attempting to transmit.
CSMA/CD (Collision Detection) is a variant of CSMA used in Ethernet networks.
CSMA/CA (Collision Avoidance)
Round duration - 30 minutes
Round difficulty - Easy
Typical Managerial round.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Connection-oriented protocols establish a dedicated end-to-end connection before data transmission, while connectionless protocols do not.
Connection-oriented protocols ensure reliable data transmission, while connectionless protocols do not guarantee reliability.
Connection-oriented protocols are used in applications such as file transfer and email, while connectionless protocols are used in applications such as video s...
My experience of the whole day was productive and challenging.
Started the day with a team meeting to discuss project progress
Worked on coding and debugging for several hours
Collaborated with colleagues to solve complex problems
Attended a training session on new software development tools
Finished the day by reviewing and documenting my work
I am a software developer at NetApp.
Design and develop software applications
Collaborate with cross-functional teams
Write clean and efficient code
Participate in code reviews and testing
Stay up-to-date with emerging trends and technologies
A QA (Quality Assurance) is responsible for ensuring that software products meet the required quality standards.
Develop and execute test plans and test cases
Identify and report defects and issues
Collaborate with developers to resolve issues
Ensure compliance with industry standards and regulations
Continuously improve testing processes and methodologies
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