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Hewlett-Packard India Software Operation Senior Software Engineer Interview Questions and Answers
Hewlett-Packard India Software Operation Senior Software Engineer Interview Experiences
1 interview found
I applied via Walk-in and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Normal project related
Interview Preparation Tips
Top trending discussions
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I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(10 Questions)
- Q1. A scenario to create a new Android service
- Ans.
Creating a new Android service
Define a class that extends Service class
Override onStartCommand() method to handle service logic
Register the service in AndroidManifest.xml file
- Q2. 2 puzzles. one was to find min no of weighs to find faulty item among 8 items and the other one was to min no of races required to find top three horses among 25 horses
- Q3. How to manage gralloc buffers
- Ans.
Managing gralloc buffers involves allocating, locking, and freeing memory for graphics rendering in Android.
Allocate gralloc buffer using gralloc_alloc() function
Lock buffer for reading or writing using gralloc_lock() function
Free buffer using gralloc_free() function
Example: gralloc_alloc(usage, width, height, format, &handle)
Example: gralloc_lock(handle, usage, left, top, width, height, &vaddr)
- Q4. What is HIDL vs AIDL
- Ans.
HIDL stands for Hardware Interface Definition Language and is used for communication between HAL and framework. AIDL stands for Android Interface Definition Language and is used for inter-process communication in Android.
HIDL is used for communication between Hardware Abstraction Layer (HAL) and framework in Android
AIDL is used for inter-process communication in Android
HIDL is more efficient and faster than AIDL
- Q5. How Android buffers are passed from application to drivers.
- Ans.
Android buffers are passed from application to drivers through shared memory and buffer queues.
Android applications communicate with drivers through the HAL (Hardware Abstraction Layer)
Buffers are typically passed using shared memory regions
Buffer queues are used to manage the flow of data between application and driver
Example: Camera application passing image data to camera driver for processing
- Q6. What happens if LINUX faces a hardware interrupt
- Ans.
When LINUX faces a hardware interrupt, it stops executing the current code and jumps to a specific interrupt handler.
LINUX stops executing the current code and jumps to a specific interrupt handler
The interrupt handler processes the interrupt and resumes normal execution afterwards
Different hardware interrupts are handled by different interrupt handlers
- Q7. What is the challenge while creating multiple services in Android
- Ans.
The challenge while creating multiple services in Android is managing communication between services and ensuring proper synchronization.
Managing communication between services can be complex and error-prone.
Ensuring proper synchronization between services to avoid race conditions and data inconsistencies.
Handling dependencies between services and coordinating their interactions.
Testing and debugging multiple services ...
- Q8. Boot up Android sequence
- Ans.
The Android boot up sequence involves several stages including power on, bootloader, kernel initialization, system server startup, and app launch.
Power on the device
Bootloader loads the Android OS kernel
Kernel initializes the system and drivers
System server starts up and launches essential services
Apps are launched and user interface becomes accessible
- Q9. Describe about Permission files/SE Linux policy
- Ans.
Permission files/SE Linux policy control access to resources based on rules set by administrators.
Permission files define who can access a file or directory and what actions they can perform.
SE Linux policy is a security mechanism that enforces rules on how processes interact with resources.
SE Linux policy is based on labels assigned to processes and resources, determining access permissions.
SE Linux policy can be cust...
- Q10. What is manifestation file and how is it used?
- Ans.
A manifestation file is a configuration file used to define the properties and settings of a software application.
Manifestation files typically include information such as the application's name, version, dependencies, and permissions.
They are commonly used in software development to ensure that the application runs correctly and has access to necessary resources.
Examples of manifestation files include AndroidManifest....
Skills evaluated in this interview
Nitin Varshney
(2 Questions)
- Q1. What is broadcast receiver
- Ans.
Broadcast receiver is a component in Android that allows the system to deliver events to the app.
Component in Android system
Receives and handles broadcast messages
Used to respond to system-wide events
Registered in the AndroidManifest.xml file
- Q2. What is intent service
- Ans.
IntentService is a class in Android that performs long-running operations in the background without blocking the main thread.
IntentService is a subclass of Service that handles asynchronous requests (expressed as Intents) on demand.
It is typically used for tasks like downloading files, syncing data, or performing any other background task.
IntentService runs on a separate worker thread, so it does not interfere with the...
(2 Questions)
- Q1. Why do you want to join
- Ans.
I am passionate about developing innovative software solutions and believe this company aligns with my career goals.
Excited about the opportunity to work on cutting-edge technologies
Impressed by the company's reputation for fostering a collaborative work environment
Seeking a challenging role that allows for professional growth and development
- Q2. What is your highest qualification
- Ans.
Master's degree in Computer Science
Master's degree in Computer Science
Specialization in software engineering
Thesis on machine learning algorithms
Graduated with honors
Skills evaluated in this interview
(1 Question)
- Q1. Python and sql questions
(1 Question)
- Q1. Client interview
(1 Question)
- Q1. General discussion
(1 Question)
- Q1. Previous role related technical questions
(1 Question)
- Q1. Same as round 1 from onsite team
(1 Question)
- Q1. General HR questions
Trees, Arrays, DP, Graphs, Leetcode Questions
(2 Questions)
- Q1. Personal Projects
- Q2. System design interview, HP Products
Senior Software Engineer Interview Questions & Answers
Samsung Research
Anonymous
posted on 13 Sep 2024
Selected
I applied via campus placement at National Institute of Technology (NIT), Hamirpur and was interviewed before Sep 2023. There were 5 interview rounds.
It had aptitude questions related tk dsa, dbms and os.
There were 3 coding question with different leetcode level. (Medium, medium. Hard(
(4 Questions)
- Q1. Regarding Operating System
- Q2. Regarding OOPS(Abstraction)
- Q3. Bitwise related questions
- Q4. Linked list related questions
(2 Questions)
- Q1. Questions related to computer network
- Q2. Graph related question like bfs and dfs
(2 Questions)
- Q1. Why you want to join the company?
- Ans.
I am impressed by the company's innovative projects and collaborative work culture.
Impressed by innovative projects
Attracted to collaborative work culture
Excited about potential for growth and learning opportunities
- Q2. What is the expectations from the company?
- Ans.
The company expects a Senior Software Engineer to have strong technical skills, problem-solving abilities, teamwork, and a commitment to continuous learning.
Strong technical skills in programming languages and software development tools
Ability to solve complex problems efficiently and effectively
Collaboration and teamwork with other team members
Commitment to continuous learning and staying updated with industry trends
E...
Interview Preparation Tips
- Graphs
- Operating Systems
- DBMS
(2 Questions)
- Q1. System design round about ott
- Q2. Leetcode rain water problem
Selected
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There were 3 interview rounds.
Basic and medium level coding questions.
(2 Questions)
- Q1. Medium and advanced flutter dart question
- Q2. Normal opps question
(2 Questions)
- Q1. One more client round their they ask regarding flutter and dart
- Q2. Coding questions on paper
Interview Preparation Tips
Write a code to fill the water tank
(2 Questions)
- Q1. How to measure slope of random voltage waveform?
- Ans.
The slope of a random voltage waveform can be measured by calculating the rate of change of voltage over time.
Calculate the difference in voltage between two points on the waveform
Divide the voltage difference by the time interval between the two points to get the slope
Repeat this process for multiple points on the waveform to get an average slope
- Q2. Design a circuit for Water Tank Filling
- Ans.
Design a circuit for Water Tank Filling
Use a float switch to detect water level in the tank
Connect the float switch to a relay to control the water flow
Include a solenoid valve to regulate the water flow
Use a microcontroller to monitor the water level and control the relay and solenoid valve
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Software Engineer
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|  ₹6 L/yr - ₹15 L/yr |
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Softwaretest Engineer
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| ₹4 L/yr - ₹10.2 L/yr |
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Senior Specialist
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| ₹24 L/yr - ₹37 L/yr |
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System Software Engineer
9
salaries
| ₹10 L/yr - ₹26 L/yr |
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Specialist
9
salaries
| ₹15.6 L/yr - ₹29.3 L/yr |
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