IoTIoT Project Intern Interview Questions and Answers

It was easy. More of mathematical question.

Basics of programming, html css and problem solving.

Q1. Questions about html , c , and subjective knowledge
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Q2. Html code snippets
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Q3. Programming code snippets
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It had a 2 programs with easy and medium level of coding programs, please go through the recent interview problems asked in wipro

Q1. What is Object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Examples of OOP languages include Java, C++, and Python
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Q2. What is multi threading
Ans. 
Multi threading is a programming concept where multiple threads within a process execute independently to improve performance.
• Allows for concurrent execution of tasks within a single process

• Improves performance by utilizing multiple CPU cores

• Requires careful synchronization to avoid race conditions

• Examples include web servers handling multiple requests simultaneously
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Q3. Why is java not 100% oop
Ans. 
Java is not 100% OOP because it supports primitive data types and static methods.
• Java has primitive data types like int, double, etc. which are not objects.

• Java allows static methods which do not require an instance of a class to be called.

• Java also has the concept of wrapper classes to convert primitive data types to objects.
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Q4. What are collections in java
Ans. 
Collections in Java are classes and interfaces that provide a way to store and manipulate groups of objects.
• Collections provide dynamic data structures like List, Set, and Map.

• They offer methods to add, remove, and manipulate elements in the collection.

• Examples include ArrayList, LinkedList, HashSet, and HashMap.
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Q5. Internal working of hash map
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A hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collision resolution techniques like chaining or open addressing are used to handle situations where multiple keys hash to the same index.

• Hash maps typically have O(1) average time complexity for i...read more
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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++
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Q2. What do you mean by polymorphism?
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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
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Q3. A puzzle was asked. Probably do all the puzzles from geeks for geeks.
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Q1. About project management
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Q2. About Network Infrastructure
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Total of 90 mins aptitude and computer networks and excel

45 mins it will be easy

Q1. Read the sentence
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Q2. Repeat the sentence
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Q1. Explain about project
Ans. 
The project involved developing a mobile application for tracking daily fitness activities.
• Researched user needs and preferences for fitness tracking apps

• Designed user interface for easy navigation and data input

• Implemented features such as step tracking, calorie counting, and workout logging

• Tested the application for bugs and usability issues

• Collaborated with developers and designers to ensure project success
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Q2. Explain about your studies
Ans. 
I am currently pursuing a Bachelor's degree in Computer Science with a focus on software development.
• Studying various programming languages such as Java, C++, and Python

• Learning about data structures and algorithms

• Taking courses in web development and database management

• Participating in coding competitions and hackathons
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