Webcore Technologies Interview Questions and Answers

Topics - mcq of algorithms, networking, dbms

Q1. Based on resume
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Q2. Questions on linked list, tree,
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Q1. About how you approach a problem
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Q2. Managerial questions on situations
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Q1. Basic hr questions
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For python and Java programming languages

Q1. What is technical?
Ans. 
Technical refers to knowledge, skills, and expertise related to a specific field or subject.
• Technical knowledge involves understanding the principles, theories, and practices within a particular area.

• Technical skills are practical abilities to perform tasks or use tools effectively.

• Technical expertise is gained through education, training, and experience.

• Examples: programming languages, engineering design software, mac
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Q2. What you think about technical
Ans. 
Technical aspects in the field of Industrial Engineering are crucial for optimizing processes and improving efficiency.
• Technical aspects involve utilizing software and tools to analyze data and optimize processes.

• Understanding of manufacturing processes, supply chain management, and quality control is essential.

• Knowledge of automation, robotics, and artificial intelligence can help streamline operations.

• Continuous impr...read more
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Q3. Technology is the application of conceptual knowledge to achieve practical goals, especially in a reproducible way. The word technology can also mean the products resulting from such efforts, including bot...read more
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Q1. Asked about the details of my projects
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Q2. Digital question related to flip flop and mux.
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Q3. Assertion, constraint questions
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Q4. Asked about different ways of saving power
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1hr interview, asked checker code, checked protocol knowledge mentioned in Resume, asked assertion.

Q1. Draw Digital circuit question based on the waveform
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Q2. Asked about code coverage in details
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Q3. 1 technical puzzle, to print infinite series of a given pattern
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Q4. 1 logical puzzle, 50ball in box of 1 colour and 50ball of 2nd colour in another box, calculate highest probability to choose 1 colour ball.
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Q1. What is polymorphism
Ans. 
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.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Find missing number from nth number array.
Ans. 
Find missing number from nth number array.
• Iterate through the array and calculate the sum of all numbers

• Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

• Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
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Q3. Explain inheritance and it types
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows a class to reuse code from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Example: Class B inherits from Class A, so Class B can access
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Q4. Find 2nd max elements from aaray
Ans. 
Find 2nd max element from array of strings
• Sort the array in descending order

• Skip the first element (max element)

• Return the second element
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General Knowledge About Company, Maths.

Q1. All About Education
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Q2. Basic Details about Project.
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Q1. Background details.
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There were two rounds of interviews, which included a case study. It felt more like a discussion than a formal interview. Although I was not selected, the overall experience throughout the process was positive. The HR team was very supportive; in fact, they notified me about my non-selection, which is uncommon in the industry.

Q1. Related to my profile
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Q1. Check if the linked list is palindrome or not
Ans. 
To check if a linked list is a palindrome, compare the first half of the list with the reversed second half.
• Traverse the linked list to find the middle node

• Reverse the second half of the linked list

• Compare the first half with the reversed second half to check for palindrome
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Q2. C string questions
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Q1. Operating systems questions
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Q2. Linked list and system design question
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There were around 60 questions and negative marking was also there

Q1. Introduce yourself
Ans. 
I am a Full Stack Developer with experience in front-end and back-end technologies.
• Proficient in HTML, CSS, JavaScript for front-end development

• Skilled in Node.js, Express, MongoDB for back-end development

• Experience with React.js and Angular for building interactive web applications
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Q2. What is diamond problem
Ans. 
Diamond problem is a common issue in multiple inheritance where a class inherits from two classes that have a common ancestor.
• Occurs in languages that support multiple inheritance like C++

• Results in ambiguity when calling methods or accessing attributes from the common ancestor class

• Can be resolved using virtual inheritance or interfaces
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Q3. Run length encoding dsa problem
Ans. 
Run length encoding is a data compression technique that replaces repeated characters with a count and single character.
• Iterate through the input array of strings

• Count the number of consecutive characters in each string

• Replace consecutive characters with count and character
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Q4. Rotate an array by d times
Ans. 
Rotate an array of strings by d times
• Create a new array and copy elements from original array based on rotation index

• Use modulo operator to handle cases where d is greater than array length

• Handle edge cases like empty array or d being negative
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