GreenWave Technologies India (OPN Healthcare) Interview Questions and Answers

4 easy level questions will be asked basically from arrays and strings.

Assignment will be given after clearing coding round. In my case ELearning Platform project was given and 7 days time was given to complete.

Q1. DBMS questions like ACID properties, database transaction. Etc
Add your answer
Q2. Project related questions
Add your answer
Q3. Basic and conceptual questions of frameworks you know
Add your answer
Q4. Basic coding questions like armstrong number, palendromic sequence, recursion
Add your answer

Verbal communicatiom, attention to detail, email writing part

Q1. General question with maths
Add your answer
Q2. Percentage related sums
Add your answer

Q1. Interview question with maths
Add your answer
Q2. Percentage , profit related sums
Add your answer

Basic aptitude assessment along with some theoretical components.

Q1. Basic questions in Java, SQL and React
Add your answer

Q1. Project related questions
Add your answer
Q2. Coding question->Reverse String(World Hello), pattern, prime number
Add your answer

Q1. What are the different osi layers
Ans. 
The OSI (Open Systems Interconnection) model consists of 7 layers that define the functions of a network communication system.
• Physical Layer: Deals with physical connections and transmission of raw data.

• Data Link Layer: Manages data frames and error detection/correction.

• Network Layer: Handles routing and logical addressing.

• Transport Layer: Ensures end-to-end communication and data flow control.

• Session Layer: Establishe...read more
Answered by AI
Add your answer

Q1. Basic details about yourself
Add your answer

Q1. What are some ways to avoid deadlock?
Ans. 
Avoid deadlock by implementing proper resource allocation strategies and using techniques like timeouts and resource ordering.
• Implement proper resource allocation strategies to prevent multiple processes from holding resources indefinitely.

• Use timeouts to limit the amount of time a process can wait for a resource before releasing it.

• Follow a strict resource ordering protocol to ensure processes request and release reso...read more
Answered by AI
Add your answer

Q1. How do agile methodologies function in B2B projects?
Add your answer
Q2. What is your experience with barcode scanners?
Add your answer

Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
Answered by AI
Add your answer
Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
Answered by AI
Add your answer

Q1. What is angular Directives
Ans. 
Angular Directives are markers on a DOM element that tell AngularJS's HTML compiler to attach a specified behavior to that DOM element.
• Directives are used to create reusable components or custom behaviors in Angular applications.

• They can be used to manipulate the DOM, add event listeners, show/hide elements, etc.

• Examples include ngModel, ngIf, ngFor, etc.
Answered by AI
Add your answer
Q2. How to communicate with components
Ans. 
Methods to communicate between components in Angular include Input and Output properties, ViewChild, Services, and Event Emitters.
• Using Input and Output properties to pass data from parent to child components and emit events from child to parent components.

• Using ViewChild to access child components from parent components.

• Using Services to create a shared service that can be injected into multiple components to share da...read more
Answered by AI
Add your answer

Q1. Senior Technical Recruitment
Add your answer
Q2. Documents Required submitted
Add your answer

Q1. VP round selected
Add your answer
Q2. Took all rounds
Add your answer
Q3. Two to three people take interview
Add your answer