NXP

Role: Software Engineer (6 Month Intern + FTE)

College: DTU Campus

Interview Date: Not Specified (Likely 2022)

Interview Type: On-Campus (Internship + Full-Time)

Result: Selected (Implicit, as all rounds are detailed)

Difficulty: Medium

Rounds: 4 rounds

Topics Asked: C language, Operating Systems, Cryptography Basics, Networking, Data Structures

Experience:

NXP Semiconductors visited the DTU Campus for the recruitment of a 6-month Intern + FTE role for Software Engineer. Eligible students included B.Tech and M.Tech from CSE/IT/SE branches with a CGPA above 7. The process consisted of four rounds: Online Assessment, Technical Round 1, Technical Round 2, and HR Round.

Round 1: Online Assessment
This round was conducted on campus and comprised 65 MCQ-based questions to be completed in 60 minutes. Questions were mostly from C language code outputs, Operating Systems, Cryptography Basics, and Networking. Each question carried 3 marks with a 1-mark negative marking for incorrect answers. Approximately 30 students were shortlisted for interviews.

Round 2: Technical Round 1
This round focused on technical questions from C language and Operating Systems. Some questions asked were:

• Storage Classes in C
• Volatile Keyword
• Const Keyword
• Usage of Volatile and Const Keywords in real life (e.g., Reading Data from Pen drives)
• C Program Compilation Stages
• Struct vs Union
• Pass By Value and Pass By Reference for Pointers
• Calculate the Size of the struct without using the inbuilt function (using pointer arithmetic)
• What are the Different roles/components of OS?
• What is Inter-Process Communication? Its Types. Explain.
• Scheduling Algorithms
• Types of Memory
• Hierarchy of Memory in Computers

Coding questions included:

• Program To Sort Array of 0s and 1s
• Write `strcmp()` function using `char` pointers
• Swap the First and Last Byte of a Number
• Set a specific Bit in A number

Three students were selected for the next round.

Round 3: Technical Round 2
This round was conducted by two Senior Engineers and focused on C and Operating Systems basics and the candidate's interests. Questions asked included:

• Macro to Multiply two Arithmetic Expressions
• Stages of C program Compilation
• Scenario: Two overlapping blocks of Memory, copy data from one block to another
• Process Context
• Swapping Of Process
• Need of OS

Round 4: HR Round
This round involved basic HR questions such as positive and negative points, family background, and reasons for career choices.