Netradyne Technology Hardware Engineer Interview Questions and Answers

1) profit array proplems from the geek for geeks
2) write own implementation of map
3) javascript basic questions





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Q1. DSA - java related question
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Q1. Project related
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Data structure and algo with arrays and hash

Q1. System design with high and low level design
Ans. 
System design involves both high level and low level design to create a comprehensive architecture.
• High level design focuses on overall system architecture and functionality

• Low level design delves into specific components, modules, and interactions

• Examples: High level - deciding on database structure, Low level - designing specific API endpoints
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Q2. Design of whatsapp Design of notification engine in my project
Ans. 
The notification engine in a project is designed to send timely and relevant notifications to users.
• Implement a system to track user preferences and settings for notifications.

• Utilize a queue system to prioritize and schedule notifications.

• Include options for users to customize notification frequency and content.

• Integrate with external services like email or SMS for notifications delivery.
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Aptitude test and reasoning test very simple

Q1. What is NSE ans BSE
Ans. 
NSE and BSE are the two main stock exchanges in India, where companies list their shares for trading.
• NSE stands for National Stock Exchange and BSE stands for Bombay Stock Exchange

• Both NSE and BSE facilitate trading of stocks, derivatives, and other financial instruments

• Companies list their shares on NSE and BSE to raise capital from investors

• NSE is headquartered in Mumbai while BSE is also located in Mumbai
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Q2. What is stock market,all technalities if stock market, read basic things about stocks market
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Q1. Tell me about you
Ans. 
I am a dedicated and experienced professional with a strong background in leadership and team management.
• Over 5 years of experience in retail management

• Proven track record of increasing sales and improving customer satisfaction

• Strong communication and problem-solving skills

• Ability to motivate and lead a team towards achieving goals
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Prime Numbers within a Range
Given an integer N, determine and print all the prime numbers between 2 and N, inclusive.
Input:
Integer N
Output:
Prime numbers printed on separate lines
Example:
Input...read more
Ans. 
Generate and print all prime numbers between 2 and N, inclusive.
• Iterate from 2 to N and check if each number is prime

• A prime number is only divisible by 1 and itself

• Print each prime number on a new line
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Anagram Substring Search
Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be rearranged to form the other.
Input:
...read more
Ans. 
Implement a function to find all starting indices of anagram substrings of a given string in another string.
• Create a frequency map of characters in the 'PTR' string.

• Use a sliding window approach to check for anagrams in 'STR'.

• Return the starting indices of anagram substrings found.

• Example: For input 'BACDGABCD' and 'ABCD', output should be [0, 5].
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. What are some common testing questions related to Linux and operating systems?
Ans. 
Common testing questions related to Linux and operating systems
• What are the different types of testing that can be performed on a Linux operating system?

• How do you test the compatibility of software with different Linux distributions?

• Can you explain the process of testing kernel modules in a Linux environment?

• What tools and techniques do you use for performance testing on Linux systems?

• How do you ensure the security an
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Round duration - 120 Minutes
Round difficulty - Easy

Q1. 
Rectangle Area Calculation
Given a list of rectangles, where each rectangle is represented by an array of four integers indicating its bottom-left and top-right corners, calculate the total area covered b...read more
Ans. 
Calculate total area covered by a list of rectangles on a plane.
• Iterate through each rectangle and calculate its area

• Check for overlapping areas between rectangles

• Sum up the total area covered by all rectangles
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Round duration - 60 Minutes
Round difficulty - Medium

Oops concepts and 1 DSA problem

Q1. 
Bit Set Problem Statement
You are provided with a string, termed as DIGIT_PATTERN, which consists solely of digits. The objective is to identify the first digit that repeats in the sequence. If there's no...read more
Ans. 
Identify the first repeating digit in a given string of digits.
• Iterate through the string and keep track of seen digits using a set.

• Return the first digit that repeats, or -1 if no digit repeats.

• Time complexity: O(n), where n is the length of the input string.
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Round duration - 60 Minutes
Round difficulty - Medium

Firstly Some general questions and then suddenly a cosing question with modifications

Q1. 
Print All Permutations of a String
Given an input string STR, generate and print all possible permutations of the string.
Input:
str
Output:
All permutations of the input string, each on a new line.
...read more
Ans. 
Generate and print all possible permutations of a given input string.
• Use recursion to generate all permutations by swapping characters in the string.

• Maintain a visited array to keep track of characters already used in a particular permutation.

• Print each permutation as it is generated.

• Handle duplicate characters by skipping swapping if the character is already in the current position.
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