Medtronic Apprentice Interview Questions and Answers

Q1. Job profike regarding
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Q1. Tell me about yourself.
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Q2. What is your family background?
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Q3. What are your salary expectations?
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Q4. Share details of your previous job.
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Q5. Where do you see yourself in 5 years?
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Q1. Tell me about yourself
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Q2. Why you want to change
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It was written test then viva interview then excel test

Q1. How do you find the code performance issue in the code deployed in production?
Ans. 
To find code performance issues in production, use monitoring tools and profiling techniques.
• Use monitoring tools like New Relic, AppDynamics, or Datadog to track performance metrics and identify bottlenecks.

• Use profiling techniques like CPU profiling, memory profiling, and network profiling to pinpoint specific areas of the code that are causing performance issues.

• Analyze logs and error messages to identify patterns a...read more
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Q2. What is asynchronous programming
Ans. 
Asynchronous programming is a programming paradigm that allows multiple tasks to run concurrently without blocking each other.
• Asynchronous programming is used to improve the performance of applications that require a lot of I/O operations.

• It involves the use of callbacks, promises, and async/await keywords in JavaScript.

• Asynchronous programming can be used in both front-end and back-end development.

• Examples of asynchro...read more
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Q3. Write a program to change background after every 0.5 sec interval to orange,white,green on button click in Angular?
Ans. 
Program to change background color on button click in Angular
• Create a button in Angular template

• Add click event listener to the button

• Use setInterval() function to change background color after every 0.5 sec

• Use ngStyle directive to change background color dynamically
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Q4. How to load a component only after 3 of my services are loaded?
Ans. 
Use Angular's 'resolve' property to load component after services are loaded.
• Create a resolver service that waits for all three services to complete before resolving.

• Add the resolver service to the 'resolve' property of the component's route.

• Access the resolved data in the component using the ActivatedRoute service.

• Example: { path: 'my-component', component: MyComponent, resolve: { data: MyResolverService } }
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Q5. What is difference between iquerable and ienumrable
Ans. 
IQueryable is for querying data from a source that implements IQueryable interface while IEnumerable is for iterating over a collection of data.
• IQueryable is used for deferred execution while IEnumerable is used for immediate execution.

• IQueryable is used for querying data from a remote data source while IEnumerable is used for querying data from an in-memory collection.

• IQueryable is more efficient for large datasets as...read more
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Q6. When you go with entity framework and ado.net
Ans. 
Entity Framework is an ORM while ADO.NET is a data access technology.
• Entity Framework is easier to use and provides more abstraction than ADO.NET.

• ADO.NET is faster and more flexible than Entity Framework.

• Use Entity Framework for simple CRUD operations and ADO.NET for complex queries and performance-critical applications.
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Q1. Find the second largest number in an array
Ans. 
Find the second largest number in an array.
• Sort the array in descending order

• Return the element at index 1
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Q2. Write a program to add two numbers without using the "+" operator at all
Ans. 
Program to add two numbers without using the '+' operator.
• Use bitwise operators like XOR and AND to perform addition without '+' operator.

• XOR the two numbers to get the sum without carry.

• AND the two numbers and left shift the result to get the carry.

• Repeat the process until carry becomes zero.
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Q3. What is mutable and immuatble data types give example
Ans. 
Mutable data types can be modified after creation, while immutable data types cannot be modified.
• Examples of mutable data types: lists, sets, dictionaries

• Examples of immutable data types: strings, tuples, frozensets
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Q4. What is the difference between dictionary list and tuple
Ans. 
A dictionary is an unordered collection of key-value pairs, while a list is an ordered collection of elements.
• Dictionaries are accessed by keys, while lists are accessed by indices.

• Dictionaries are mutable, while tuples are immutable.

• Dictionaries can have duplicate values, but not duplicate keys.

• Lists can contain elements of different data types, while tuples can contain elements of the same or different data types.
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Q5. Is a dictionary mutable
Ans. 
Yes, a dictionary is mutable in Python.
• A dictionary in Python can be modified by adding, updating, or deleting key-value pairs.

• The values associated with keys in a dictionary can be changed.

• Dictionaries are mutable objects, meaning they can be modified in-place.

• The 'update()' method can be used to add or update multiple key-value pairs at once.
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Q6. Write a program to show if a program is prime or not
Ans. 
A program to determine if a number is prime or not.
• A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.

• To check if a number is prime, iterate from 2 to the square root of the number and check if any of them divides the number evenly.

• If any divisor is found, the number is not prime. Otherwise, it is prime.
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