Vayavya Labs Interview Questions and Answers

Q1. Flow of data from User application to Driver in Android device
Ans. 
Data flows from user application to driver in Android device through various layers of the Android framework, including the application framework, system services, and the Linux kernel.
• User application makes a request to the Android framework API.

• The Android framework forwards the request to the appropriate system service.

• The system service communicates with the Linux kernel to interact with the device driver.

• The devic...read more
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Q2. What are content providers
Ans. 
Content providers are components in Android that manage access to a structured set of data
• Content providers are used to share data between different applications

• They provide a standard interface for accessing data

• Content providers can be used to store and retrieve data from databases, files, or the web
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Q1. Question about projects done
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Q2. Extending existing HAL
Ans. 
Extending existing HAL involves adding new functionality to an existing Hardware Abstraction Layer in Android framework.
• Understand the existing HAL interface and its functionalities

• Identify the new functionality to be added

• Implement the new functionality in the HAL implementation

• Test the extended HAL to ensure compatibility and functionality

• Update any dependent components or modules
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40mins profit or loss, time and distance,percentage, etc

1 hours searching,sorting,programs on string manipulation

C-code, electronics related and some general question.

Q1. Code righting, logical and reasoning and about myself.
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Q1. Companies work and my personal and professional things that I have done till then
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Q1. Creating a C program to swap values
Ans. 
Swapping values in a C program involves using a temporary variable to store one value while the other is replaced.
• Declare three variables: two for the values to be swapped and one for the temporary storage.

• Assign the values to be swapped to the two variables.

• Use the temporary variable to store one of the values.

• Assign the value from the other variable to the first variable.

• Assign the value from the temporary variable t
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Q2. Details about projects performed in past
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Q3. About other skills
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Q1. Tell me about yourself
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Q2. Roles and Responsibilities in previous job
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Q3. Explaned roles and responsibilities here
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Q1. Tell me about yourself
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Q2. Reasons for quitting previous jobs
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Q3. How do I react in difficult situations
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Q4. Expected salary
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