NXP Semiconductors Interview Questions, Process, and Tips

Round duration - 90 Minutes
Round difficulty - Medium

The timing was from 4:30 pm to 6 pm, so it was quite convenient. The platform was good, the only problem I had was while attempting diagram based questions, as the interface was difficult to understand. The test had three types of questions- MCQ, subjective and diagram based. The major topics from which the question were asked were- sequential circuits(sequence detector), static timing analysis, digital design and computer architecture.

Q1. 
City of Happy People Problem Statement
Imagine a city where the happiness of each resident is described by a numerical value. Ninja, who is visiting this city, is interested in forming groups of people su...read more
Ans. 
The problem is to find the number of ways to form a group of people such that the overall happiness of the group falls within a given range.
• Iterate through all possible subsets of the given array/list

• Calculate the sum of happiness values for each subset

• Count the number of subsets whose sum falls within the given range
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Round duration - 60 Minutes
Round difficulty - Medium

The timing for my interview was 9:30 pm and it went on for an hour. They asked me thorough questions from majorly two topics- CMOS and Digital System Design. Even if I was not able to answer certain questions,, they were happy to drop hints and then observed how I went further with the solution.

Q1. 
Wildcard Pattern Matching Problem Statement
Implement a wildcard pattern matching algorithm to determine if a given wildcard pattern matches a text string completely.
The wildcard pattern may include the...read more
Ans. 
The task is to implement a wildcard pattern matching algorithm that checks if a given wildcard pattern matches a given text.
• The wildcard pattern can include the characters '?' and '*'

• '?' matches any single character

• '*' matches any sequence of characters (sequence can be of length 0 or more)

• The matching should cover the entire text, not partial text

• Implement a function that takes the wildcard pattern and the text as inp...read more
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Q1. Wireless related question
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Q2. Wi-fi ,b.tech project
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Q3. IP , and project related questions
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Q1. What is a cache? What does tag used for in a cache?
Ans. 
A cache is a high-speed data storage layer that stores frequently accessed data to reduce access time. A tag is used to identify the location of data in the cache.
• Cache is a temporary storage that holds frequently accessed data

• It reduces the access time by providing faster access to data

• Tag is used to identify the location of data in the cache

• Tag is a part of the cache memory address

• Cache can be implemented in hardware...read more
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C Coding questions

Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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