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Pratham Software Interview Questions and Answers
8 Interview questions
A child process is a process created by another process, known as the parent process.
Child processes inherit resources and attributes from the parent process.
Child processes can communicate with the parent process and other child processes.
Examples include when a program spawns multiple processes to perform different tasks.
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Can lead to deeply nested code which is hard to understand and debug
Can be mitigated using promises, async/await, or libraries like async.js
OOPs principles are a set of guidelines that help in designing and implementing object-oriented programs.
Encapsulation: Hiding the internal details of an object and exposing only the necessary information.
Inheritance: Creating new classes from existing ones, inheriting their properties and methods.
Polymorphism: Ability of objects to take on multiple forms or behaviors.
Abstraction: Focusing on essential features of...
Event emitter is a mechanism in Node.js that allows communication between objects using events.
Event emitter is a built-in module in Node.js.
It allows objects to emit named events and register listeners for those events.
Listeners are functions that are executed when the event is emitted.
Event emitter is commonly used in Node.js for handling asynchronous operations.
Example: EventEmitter class in Node.js can be used...
Node.js uses an event loop to handle asynchronous operations, allowing non-blocking I/O and efficient execution of code.
The event loop is a single-threaded model that manages asynchronous callbacks.
It operates in phases: timers, I/O callbacks, idle, poll, check, and close callbacks.
Example: setTimeout() schedules a callback to be executed after a specified delay.
I/O operations (like reading files) are offloaded to...
React is a JavaScript library for building user interfaces.
React is used for creating interactive UI components.
It allows developers to build reusable UI components.
React uses a virtual DOM for efficient rendering.
React is commonly used in web development for single-page applications.
Loops are used in programming to repeat a block of code multiple times until a certain condition is met.
Loops help in automating repetitive tasks
Types of loops include for, while, and do-while
Example: for loop to iterate over an array and perform an operation on each element
A class representing a car with properties and methods.
Create a class named Car
Add properties like make, model, year, color
Include methods like start(), stop(), accelerate(speed), brake()
Example: class Car { constructor(make, model, year, color) { this.make = make; this.model = model; this.year = year; this.color = color; } start() { console.log('Car started'); } stop() { console.log('Car stopped'); } accelerate(s...
Pratham Software Interview Experiences
8 interviews found
gourav singh Kushwah
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(5 Questions)
- Q1. Definition. node js , callback, eventloop
- Q2. What is callback hell
- Ans.
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Can lead to deeply nested code which is hard to understand and debug
Can be mitigated using promises, async/await, or libraries like async.js
- Q3. What is react and workingwhich site
- Ans.
React is a JavaScript library for building user interfaces.
React is used for creating interactive UI components.
It allows developers to build reusable UI components.
React uses a virtual DOM for efficient rendering.
React is commonly used in web development for single-page applications.
- Q4. What is loops and how we use
- Ans.
Loops are used in programming to repeat a block of code multiple times until a certain condition is met.
Loops help in automating repetitive tasks
Types of loops include for, while, and do-while
Example: for loop to iterate over an array and perform an operation on each element
- Q5. What is child process
- Ans.
A child process is a process created by another process, known as the parent process.
Child processes inherit resources and attributes from the parent process.
Child processes can communicate with the parent process and other child processes.
Examples include when a program spawns multiple processes to perform different tasks.
Interview Preparation Tips
Skills evaluated in this interview
Anonymous
(3 Questions)
- Q1. Understanding of existing project you worked on, how would you handle a scenario in your existing project.
- Q2. Understanding of node js event loop.
- Ans.
Node.js uses an event loop to handle asynchronous operations, allowing non-blocking I/O and efficient execution of code.
The event loop is a single-threaded model that manages asynchronous callbacks.
It operates in phases: timers, I/O callbacks, idle, poll, check, and close callbacks.
Example: setTimeout() schedules a callback to be executed after a specified delay.
I/O operations (like reading files) are offloaded to the ...
- Q3. How event emitter works.
- Ans.
Event emitter is a mechanism in Node.js that allows communication between objects using events.
Event emitter is a built-in module in Node.js.
It allows objects to emit named events and register listeners for those events.
Listeners are functions that are executed when the event is emitted.
Event emitter is commonly used in Node.js for handling asynchronous operations.
Example: EventEmitter class in Node.js can be used to c...
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Apr 2023. There were 3 interview rounds.
Write a code which includes inheritance and polymorphism.
(1 Question)
- Q1. Discuss past experience and why we want to join pratham
Interview Preparation Tips
- Java
- Selenium
- Testing techniques
Selected
I applied via Approached by Company and was interviewed in Aug 2022. There were 4 interview rounds.
(4 Questions)
- Q1. What is oops principles
- Ans.
OOPs principles are a set of guidelines that help in designing and implementing object-oriented programs.
Encapsulation: Hiding the internal details of an object and exposing only the necessary information.
Inheritance: Creating new classes from existing ones, inheriting their properties and methods.
Polymorphism: Ability of objects to take on multiple forms or behaviors.
Abstraction: Focusing on essential features of an o...
- Q2. Programming questions
- Q3. Java basics implementation
- Q4. Inheritance questions
(1 Question)
- Q1. Coding optimisation process
(1 Question)
- Q1. Experience and expectations
Interview Preparation Tips
- Java
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Easy appti is there no worry
2 question based on array and ll
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Feb 2023. There were 3 interview rounds.
Online Basic aptitude questions test.
(1 Question)
- Q1. OOP concepts Write a class.
- Ans.
A class representing a car with properties and methods.
Create a class named Car
Add properties like make, model, year, color
Include methods like start(), stop(), accelerate(speed), brake()
Example: class Car { constructor(make, model, year, color) { this.make = make; this.model = model; this.year = year; this.color = color; } start() { console.log('Car started'); } stop() { console.log('Car stopped'); } accelerate(speed)...
(1 Question)
- Q1. General discussions Background, education
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 4 interview rounds.
(1 Question)
- Q1. General logic based puzzles
(1 Question)
- Q1. With reporting manager
(1 Question)
- Q1. With higher management
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Dec 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Sir what is your major role of your company
Interview Preparation Tips
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Business Analyst Interview Questions & Answers
Capillary Technologies
Sachindra Sahu
posted on 24 Mar 2015
Interview Preparation Tips
Experience: I was really frustrated because of the rejection from previous companies and in the same time deeply determined to convert this one as this was the last company offering the profile of Business Analyst. I can say this based on my experience that converting a company is solely a matter of your preparation and self-confidence but a tad bit of luck is also a necessity.
Tips: I have been particularly lucky and so have been all the serious CAT aspirants in the online tests. It is not that you need to enroll in TIME with the word go, but rather analyzing your calculation speed, your communication and interpretation skills can do you wonders.
Duration: 60 minutes
Total Questions: 50
Round: Group Discussion
Experience: Obviously the topic was on Indo-Sino relations, which I was quite aware of. As this a topic on foreign policy, very few people were actually aware of this topic, so I had an obvious advantage. This is the most trite advice but still I will say this "Read, Read,Read".
Tips: There are always some people who are well informed of the given topic and some who are not and it is always helpful to be in the first group in GDs. I like to be up to date on current affairs and at the same time reading novels from the likes of Shashi Tharoor and my personal favorite Khaled Hosseini prepared me for group discussions. It is always helpful to proceed by looking @ the problem from different perspectives like legal, social, academic and technical or else if you are particularly unlucky you might face an abstract topic, where you might need to use your imagination, like one my friend faced "Yellow shoes with pink laces". Even now I cannot aptly describe this topic.
Skills: Communication Skills, Calculations, Verbal, Knowledge on current affairs
College Name: NIT BHOPAL
Motivation: My only motivation was the post the company was offering. As it will be helpful for future plans of working in an Investment Bank or pursuing an MBA.
Funny Moments: In the Interview round, they asked me why do you want join this company. In reply I started with the word 'Firstly' and said because of its profile and did not not think of the second reason and they asked this very thing. I took my moment and realized honesty is best possible way now and replied that you are last non-core company visiting this campus and if you guys reject me I might leave this campus unplaced (because of my weak technical background). On hearing this they started laughing and at that very moment I knew I might not after all.
Interview Questionnaire
8 Questions
- Q1. Given a doubly linked list with one pointer of each node pointing to the next node just like in a singly linked list. The second pointer(arbit pointer) however can point to any node in the list and not jus...
- Ans.
Program to create a copy of a doubly linked list with an arbit pointer.
Traverse the original list and create a new node for each node in the list.
Store the mapping of original node to the new node in a hash table.
Traverse the original list again and set the next and arbit pointers of the new nodes.
Return the head of the new list.
- Q2. Implement funcionality of 1000 of students giving a online test and timer is running. You have to calculate th etime when test is tarted and auto-matically stop the test when test is ended. Handle the scen...
- Ans.
Implement functionality for online test with timer and handle power failure scenarios
Create a timer function to track the time
Store the start time and end time of the test
Implement a backup system to save progress in case of power failure
Use a database to store test data and progress
Handle edge cases like internet connectivity issues
- Q3. WAP of prime number using reursion?
- Ans.
A recursive function to check if a number is prime or not.
Create a function that takes a number as input.
Check if the number is less than 2, return false.
Check if the number is 2, return true.
Check if the number is divisible by any number less than it, return false.
If none of the above conditions are met, call the function recursively with the number minus 1.
- Q4. Reverse a linked list?
- Ans.
To reverse a linked list, we need to traverse the list and change the direction of the pointers.
Create three pointers: prev, curr, and next
Initialize prev to null, curr to head of the linked list, and next to null
Traverse the list and change the direction of the pointers: next = curr.next; curr.next = prev; prev = curr; curr = next;
Set the new head of the linked list to prev
- Q5. Some sql related questions – not very tough : some inner joins and self join based?
- Q6. How can you stop man in the middle attack over an insecure communication line without using any kind of encryption ?
- Ans.
It is not possible to stop man in the middle attack over an insecure communication line without using any kind of encryption.
Without encryption, the communication line is inherently insecure and vulnerable to man-in-the-middle attacks.
One possible solution is to use a secure communication line, such as a VPN or a dedicated private network.
Another solution is to use digital signatures to verify the authenticity of the c...
- Q7. What is the difference between http and https?
- Ans.
HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.
HTTP stands for Hypertext Transfer Protocol while HTTPS stands for Hypertext Transfer Protocol Secure.
HTTP operates on port 80 while HTTPS operates on port 443.
HTTP is unencrypted while HTTPS is encrypted with SSL/TLS.
HTTPS provides authentication and data integrity while HTTP does not.
HTTPS is used for secure online transactions such as online banking, e...
- Q8. Heap memory and stack memory? Local variables are stored where? What is memory tables?
- Ans.
Heap and stack memory are two types of memory allocation in a program. Local variables are stored in stack memory. Memory tables are used to track memory allocation.
Heap memory is used for dynamic memory allocation, while stack memory is used for static memory allocation.
Local variables are stored in stack memory and are only accessible within the scope of the function they are declared in.
Memory tables are used to kee...
Interview Preparation Tips
Experience: Finally, I got offer from Aspiring Minds after 15 days of negotiation.
Skills: data structure, Algorithm
College Name: na
Skills evaluated in this interview
Pratham Software Interview FAQs
The duration of Pratham Software interview process can vary, but typically it takes about less than 2 weeks to complete.
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Rating in categories
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Senior Software Engineer
123
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|  ₹6.5 L/yr - ₹18.6 L/yr |
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26
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17
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| ₹10.5 L/yr - ₹15 L/yr |
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