10+ ENTNT Interview Questions and Answers

Writing test cases involves identifying test scenarios, creating test data, and documenting expected results.

• Identify test scenarios based on requirements and user stories

• Create test data that covers all possible scenarios

• Document expected results for each test case

• Use a combination of manual and automated testing

• In case of test failures, identify the root cause and report it as a defect

• Defects go through a defect life cycle, including identification, triage, fixing, and veri...read more

Answers to questions related to software engineering concepts and PL/SQL programming.

• Inline view is a virtual table created in the FROM clause of a SQL query.

• Views can be secured by granting appropriate privileges to users and implementing row-level security.

• BULK COLLECT is a feature in PL/SQL that allows fetching multiple rows from a query into a collection.

• PL/SQL program to display weekdays except Saturday and Sunday: DECLARE v_day VARCHAR2(20); BEGIN FOR i IN 1..7 LOOP v_d...read more

Yes, I have good knowledge in converter design.

• I have experience in designing and implementing various types of converters such as analog-to-digital converters, digital-to-analog converters, and voltage converters.

• I am familiar with different converter topologies and their advantages and disadvantages.

• I have worked with various converter control techniques such as pulse-width modulation and feedback control.

• I have knowledge of converter testing and validation methods.

• I keep m...read more

Object oriented concepts can be explained using a real life example of a car

• Classes: Car blueprint defining properties like color, model, and methods like start, stop

• Objects: Instances of car like BMW, Toyota with specific values for properties

• Inheritance: SUV class inheriting properties and methods from Car class

• Polymorphism: Different types of cars (sedan, SUV) can have same method like drive() but behave differently

Yes, MATLAB is a high-level programming language used for numerical computation, data analysis, and visualization.

• MATLAB is widely used in engineering, science, and finance.

• It has built-in functions for matrix manipulation, signal processing, and image analysis.

• MATLAB also has a graphical user interface (GUI) for easy visualization of data.

• Examples of applications include simulation of dynamic systems, statistical analysis, and machine learning.

• MATLAB code can be integrated w...read more

C program to print odd numbers upto n

• Use a loop to iterate from 1 to n

• Check if the current number is odd using the modulo operator

• If it is odd, print the number

A solver is a tool or algorithm used to find solutions to mathematical or logical problems.

• There are different types of solvers such as linear solvers, nonlinear solvers, integer solvers, constraint solvers, etc.

• Examples of solvers include the Simplex algorithm for linear programming, Newton's method for nonlinear equations, and backtracking algorithm for constraint satisfaction problems.

Mealy and Moore are two types of finite state machines used in digital electronics.

• Mealy machine outputs depend on both present inputs and present state

• Moore machine outputs depend only on present state

• Mealy machines have fewer states than Moore machines for the same function

• Mealy machines are faster than Moore machines

• Example of Mealy machine: vending machine that dispenses a product when the correct amount of money is inserted

• Example of Moore machine: traffic light that cha...read more

Python is a high-level, interpreted programming language known for its simplicity, readability, and versatility.

• Python is used for web development, data analysis, artificial intelligence, scientific computing, and more.

• It has a large standard library and supports multiple programming paradigms.

• Python code is often shorter and easier to read than other languages.

• It uses indentation to indicate blocks of code, rather than curly braces or keywords like 'end'.

• Python is open-sourc...read more

calloc and malloc are functions used in C programming to allocate memory dynamically.

• calloc is used to allocate and initialize a block of memory, setting all bytes to zero.

• malloc is used to allocate a block of memory without initializing its contents.

• Both functions return a pointer to the allocated memory, or NULL if the allocation fails.

Model-Based Design (MBD) is a methodology used in software engineering to create models of systems before implementing them in code.

• MBD helps in visualizing and designing complex systems before coding.

• It allows for simulation and testing of the system behavior before implementation.

• MBD can improve communication between different teams working on a project.

• Examples include using tools like Simulink for modeling and simulation in automotive or aerospace industries.

SQL joins are used to combine rows from two or more tables based on a related column between them.

• Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

• FULL JOIN returns rows when there is a match in one of ...read more

A smell sensor is a device that detects and measures odors in the environment.

• Smell sensors can be used in industries such as food and beverage, agriculture, and environmental monitoring.

• They work by detecting and measuring volatile organic compounds (VOCs) in the air.

• Some examples of smell sensors include the eNose, Cyranose 320, and the Scentometer.

• Smell sensors can also be used in medical applications, such as detecting diseases through breath analysis.

I have a balanced diet and enjoy trying new foods.

• I prioritize whole foods and limit processed foods.

• I enjoy cooking and meal prepping to ensure I have healthy options available.

• I am open to trying new foods and cuisines.

• I am mindful of portion sizes and listen to my body's hunger cues.

• I limit my intake of sugary and high-fat foods.

• I stay hydrated by drinking plenty of water throughout the day.

Implement a sorting algorithm for an array of strings

• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Convert the strings to lowercase before comparing them for case-insensitive sorting

• Consider using a custom comparator function for more complex sorting criteria

• Example: Sorting an array of strings alphabetically: ['banana', 'apple', 'cherry'] -> ['apple', 'banana', 'cherry']