OnMobile Global Interview Questions and Answers

Heap and stack are two different memory regions in a computer's memory. Heap is used for dynamic memory allocation, while stack is used for static memory allocation.

• Heap is used for dynamic memory allocation, while stack is used for static memory allocation.

• Heap memory is allocated at runtime and can be accessed randomly, while stack memory is allocated at compile time and accessed in a last-in-first-out manner.

• Memory clean up in heap is done manually by the programmer using ...read more

HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.

• HashMap uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index (collision), a linked list is used to store all key-value pairs at that index.

• To retrieve a value, the key is hashed again to find the index and then the linked li...read more

Types of synchronization include mutual exclusion, semaphores, monitors, and condition variables.

• Mutual exclusion: Ensures that only one thread can access a resource at a time.

• Semaphores: Used to control access to a common resource by multiple threads.

• Monitors: Combines data and procedures into a single unit to control access to shared resources.

• Condition variables: Allow threads to wait for a certain condition to be met before proceeding.

SCP stands for Secure, Contain, Protect. It refers to a fictional organization that secures and contains anomalous objects.

• SCP Foundation is a fictional organization in the SCP universe that secures and contains anomalous objects

• The capacity of SCP refers to the organization's ability to contain and manage these anomalous objects

• SCP Foundation has various containment facilities with different capacities to house different types of anomalies

The app will be positioned as a fun and educational tool for children, offering interactive games and learning activities.

• Focus on the educational benefits of the app, such as improving cognitive skills and creativity

• Highlight the interactive and engaging features that will keep children entertained

• Emphasize the safety measures in place to ensure a child-friendly environment

• Collaborate with child psychologists or educators to ensure the content is age-appropriate and benefici...read more

Some key features to add in the product include enhanced user interface, advanced analytics capabilities, and seamless integration with other platforms.

• Enhanced user interface for better user experience

• Advanced analytics capabilities for data-driven decision making

• Seamless integration with other platforms such as CRM systems or social media channels

I will handle customers by actively listening to their needs, providing prompt and accurate responses, and ensuring their satisfaction.

• Actively listen to customers to understand their needs and concerns

• Provide prompt and accurate responses to customer inquiries

• Offer solutions and alternatives to address customer issues

• Ensure customer satisfaction by following up and resolving any outstanding concerns

• Maintain a positive and professional attitude when interacting with customers

Google Cloud Platform (GCP) is a suite of cloud computing services provided by Google.

• GCP offers services such as computing, storage, databases, machine learning, and networking.

• Some popular GCP products include Compute Engine, Cloud Storage, BigQuery, and Kubernetes Engine.

• GCP provides tools for monitoring, logging, and security to help manage cloud resources efficiently.