HCLTech Assistant System Engineer Trainee Interview Questions and Answers

Simple interest,puzzles,psuedocodes

Need to solve aptitude questions

Q1. Technical questions based on your skill set and projects
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Q1. Basic HR questions
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Moderate level, basic concepts in aptitude

Q1. Tell me about your self Some small programs like prime number, Method overloading and overriding
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Q1. Tell me about your self What are your goals Why cognizant
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Q1. Tell me about yourself
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Q2. Write a code for reverse a string
Ans. 
Code to reverse a string using array of characters
• Create an array of characters to store the input string

• Use a loop to iterate through the input string and store each character in the array

• Reverse the array of characters to get the reversed string
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Q3. Explain your final year project
Ans. 
Developed a smart irrigation system using IoT technology
• Researched different sensors to measure soil moisture and temperature

• Implemented a microcontroller to collect data from sensors and control water flow

• Designed a mobile app to remotely monitor and adjust irrigation settings
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General arithmetics and algebra

MCQ and coding question

Q1. What is Pointers in C
Ans. 
Pointers in C are variables that store memory addresses of other variables. They are used to access and manipulate data indirectly.
• Pointers are declared using the * symbol.

• They can be used to pass variables by reference to functions.

• Pointers can be used to dynamically allocate memory using functions like malloc().
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Q2. Give examples of each data types in C
Ans. 
Examples of data types in C include int, float, char, and double.
• int: used for storing integer values (e.g. age = 25)

• float: used for storing floating-point numbers (e.g. height = 5.8)

• char: used for storing single characters (e.g. grade = 'A')

• double: used for storing double-precision floating-point numbers (e.g. salary = 50000.50)
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Always be prepared by mastering the fundamental basics.

Q1. What is an amplifier?
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Q1. What is pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to indirectly access and manipulate data in memory.

• They are often used in programming languages like C and C++.

• Example: int *ptr; // declaring a pointer to an integer variable
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Q2. Tell me about yourself
Ans. 
I am a recent graduate with a degree in Computer Science, passionate about technology and eager to learn and grow in the field of system engineering.
• Recent graduate with a degree in Computer Science

• Passionate about technology and eager to learn and grow

• Interested in pursuing a career in system engineering
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