Radius Corporate Solutions Interview Questions and Answers

Questions on Logical Reasoning, Electronics subjects MCQ, C coding questions.

Q1. Introduce yourself
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Q2. Final year project deep with block diagram
Ans. 
Designed a final year project involving a deep learning model with a block diagram.
• Researched various deep learning algorithms and techniques

• Implemented the chosen algorithm using Python and TensorFlow

• Created a detailed block diagram to illustrate the project workflow

• Tested and evaluated the performance of the deep learning model

• Presented the project findings and results to faculty and peers
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Q3. Difference between Embedded C and Embedded C++.
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Embedded C is a subset of C language used for programming embedded systems, while Embedded C++ is a subset of C++ language with additional features for embedded systems.
• Embedded C is a subset of C language, with limited features and libraries compared to standard C.

• Embedded C++ is a subset of C++ language, with additional features like classes, inheritance, and polymorphism.

• Embedded C is commonly used for low-level pro...read more
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Q4. Difference between Microcontroller and microprocessor, 8051 microcontroller.
Ans. 
Microcontrollers are integrated circuits designed for specific tasks, while microprocessors are general-purpose CPUs. 8051 is a popular microcontroller.
• Microcontrollers are self-contained systems with memory, I/O ports, and timers, designed for specific tasks.

• Microprocessors are general-purpose CPUs that require external components for memory, I/O, and timers.

• 8051 microcontroller is a popular 8-bit microcontroller know
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Q5. Datatype in C++,range and size, Real life example of of Embedded system.
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In C++, datatypes have specific ranges and sizes. Embedded systems are real-life examples of using datatypes effectively.
• Datatypes in C++ have specific ranges and sizes to store different types of data efficiently.

• For example, 'int' datatype in C++ typically has a range of -2,147,483,648 to 2,147,483,647.

• Embedded systems use datatypes like 'uint8_t' to efficiently store data in limited memory space.

• Real-life example of...read more
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Q6. Pointer in C++,types of pointer.
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Pointers in C++ are variables that store memory addresses. They can be used to access and manipulate data directly.
• Types of pointers: Null pointer, Void pointer, Wild pointer, Dangling pointer

• Example: int *ptr; // pointer to an integer variable
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Q7. Write program for number is prime or not prime
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Program to determine if a number is prime or not prime
• Create a function to check if a number is prime or not

• Iterate from 2 to the square root of the number and check for divisibility

• If the number is divisible by any number other than 1 and itself, it is not prime

• Return true if the number is prime, false otherwise
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Q8. Write code for fibonacci series
Ans. 
Code to generate Fibonacci series using iterative approach
• Initialize an array to store the Fibonacci series

• Start with the first two numbers in the series (0 and 1)

• Use a loop to calculate the next number by adding the previous two numbers

• Continue this process until the desired number of terms is reached
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Q9. What is constructor, destructor, polymorphism, Static function, volatile keyword
Ans. 
Constructor initializes an object, destructor cleans up resources. Polymorphism allows objects to be treated as instances of their parent class. Static function belongs to the class, not instances. Volatile keyword indicates a variable may be changed unexpectedly.
• Constructor initializes an object when it is created. Example: 'Car c = new Car();'

• Destructor cleans up resources when an object is destroyed. Example: 'delet...read more
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Work from home is better or work from office

Q1. Programming questions in python
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Q2. Selenium and API Testing interview questions
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Q1. Deeper Product-related question
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Q2. Programming using python
Ans. 
Python is a versatile programming language known for its simplicity and readability.
• Python is an interpreted language, making it easy to write and test code quickly.

• It supports multiple programming paradigms, including object-oriented, imperative, and functional programming.

• Python has a large standard library with built-in modules for various tasks, reducing the need for external libraries.

• Python uses indentation to de...read more
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Q1. Questions related to Java versions. System design, Kafka and rabbit mq
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Q1. Some more questions on system design. Questions on Messaing system, EDA and Microservices architecture. AWS cloud.
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I am not sure about what this round about. After couple of simple management questions, The interviewer asking leet code questions which was not expected as it was mentioned that its a managerial round. As it was on 31st I was little not prepared and wanted to skip the question. The interviewer got offended and talking very rude. At this point I got the idea that interview is not.

Worst part is after every round they is no feedback cycle. they just ghost you. very bad attitude.

Scenario based questions

Q1. Basic Business Analyst questions
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Q1. Previous experience questions
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Q1. Company overview
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General Computer Science Questions.

Q1. 2NF and 3NF difference
Ans. 
2NF eliminates partial dependencies, while 3NF eliminates transitive dependencies.
• 2NF eliminates partial dependencies by ensuring all non-key attributes are fully functionally dependent on the primary key.

• 3NF eliminates transitive dependencies by ensuring that non-key attributes are not dependent on other non-key attributes.

• Example: In a table with columns A, B, and C where A is the primary key, if B depends on A and C...read more
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Q2. Alternative of using loop to print 1 to 100
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Using recursion to print numbers from 1 to 100 without a loop
• Create a recursive function that takes a number as input and prints it

• Call the function with 1 as the initial input and increment the input by 1 in each recursive call

• Stop the recursion when the input reaches 100
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Q3. Delete and Truncate Difference
Ans. 
Delete removes rows from a table while truncate removes all rows from a table.
• Delete is a DML command while truncate is a DDL command.

• Delete operation can be rolled back while truncate operation cannot be rolled back.

• Delete operation fires triggers on each row deletion while truncate operation does not fire triggers.
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Q1. Basic OOPs concept and coding
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Q1. Basic DSA question
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Q2. 1 mySql query to fetch records
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Q3. Design patterns
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Q1. What is the code to determine the minimum number of dice throws required to reach 100 in a game of Snakes and Ladders?
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Q1. Coding with design fundamentals on BST and DP
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Q1. Coding test with BST, DP
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Q2. LLD, HLD on telecom. SOLID principles, Design patterns, System design
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Q1. One on one round with Architect and Manager. What do we know about SIP, SS7, Diameter.
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Q1. Usual HR questions
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Online Assessment with multiple choice questions and answers

Q1. Introduce yourself
Ans. 
I am a dedicated Automation Test Engineer with 5 years of experience in creating and executing test cases for software applications.
• Experienced in automation testing tools such as Selenium and Appium

• Proficient in writing test scripts using programming languages like Java and Python

• Skilled in identifying and reporting software defects

• Strong understanding of Agile methodologies and continuous integration/continuous deplo
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Q2. Explain about your project
Ans. 
Developed an automation framework for testing web applications using Selenium and Java
• Used Selenium WebDriver for automating test cases

• Implemented Page Object Model design pattern for better code organization

• Integrated with TestNG for test execution and reporting

• Executed test cases on different browsers and platforms using Selenium Grid

• Performed API testing using RestAssured library
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Q3. Explain about framework
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A framework is a set of guidelines, rules, and best practices for developing software applications.
• Framework provides a structure for organizing code and promoting code reusability.

• It helps in maintaining consistency and standardization across the project.

• Frameworks can be categorized as test automation frameworks, web application frameworks, etc.

• Examples of test automation frameworks include Selenium, TestNG, and Robo
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Q4. API Testing Questions
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Q5. Exceptions in selenium
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Exceptions in Selenium are errors that occur during test execution, such as ElementNotVisibleException or TimeoutException.
• Exceptions in Selenium are handled using try-catch blocks.

• Common exceptions include NoSuchElementException, ElementNotVisibleException, TimeoutException, StaleElementReferenceException.

• Handling exceptions is important for robust test automation scripts.

• Example: try { driver.findElement(By.id("eleme...read more
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