Persistent Systems Intern Interview Questions and Answers

The aptitude test was successful, covering various topics such as ratios and proportions, percentages, blood relations, boat and stream problems, highest common factor (HCF) and least common multiple (LCM), volume and surface area, time and work, as well as questions related to profit and loss, and speed, distance, and time.

In the coding test 1 question for coding and another 2 for debugging were asked.

Q1. Tell me about yourself?
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Recent graduate with a degree in Computer Science

• Passionate about coding and problem-solving

• Experience with programming languages like Java, Python, and C++
Answered by AI
Add your answer
Q2. What do you mean by polymorphism?
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in OOP allows a child class to override a method from its parent class, exhibiting polymo
Answered by AI
Add your answer
Q3. A puzzle was asked. Probably do all the puzzles from geeks for geeks.
Add your answer

Neural Hack 6 - Round 1 - 7 DSA Question I have solved 5 only

Round 2 - 5 DSA Problem I'm able to solve only 3 not able to top 100 but call for interview

Q1. Self Introduction
Add your answer
Q2. Which in most efficient sorting algorithm amd why and what is it's time complexity.
Ans. 
The most efficient sorting algorithm is Quick Sort due to its average time complexity of O(n log n).
• Quick Sort is efficient due to its divide and conquer approach.

• It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).

• Example: Sorting an array of integers using Quick Sort.
Answered by AI
Add your answer
Q3. What is OOPS and explain all with their examples
Ans. 
OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve a problem

• Key principles of OOPS include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allows a class to...read more
Answered by AI
Add your answer
Q4. Explain your projects and what are the problem do you faced during development phase
Ans. 
I developed a mobile app for tracking daily water intake and exercise routines.
• Implemented user-friendly interface for easy input of water intake and exercise details

• Integrated push notifications to remind users to drink water and exercise regularly

• Used Firebase for backend data storage and retrieval

• Faced challenges with optimizing app performance on older devices

• Encountered issues with syncing data across multiple dev
Answered by AI
Add your answer
Q5. Write code for reversing array
Ans. 
Code to reverse an array of strings
• Use a loop to iterate through half of the array and swap elements at opposite ends

• Create a temporary variable to hold one element during swapping

• Ensure to handle odd length arrays by not swapping the middle element
Answered by AI
Add your answer

Q1. Self Introduction
Add your answer
Q2. Explained companies policies
Ans. 
Company policies outline rules and guidelines for employees to follow.
• Company policies cover areas such as dress code, attendance, code of conduct, and benefits.

• Examples of company policies include a policy on remote work, a policy on social media usage, and a policy on harassment.

• Employees are expected to adhere to company policies to maintain a positive work environment and ensure compliance with legal regulations.
Answered by AI
Add your answer