Automatic Data Processing (ADP) Intern Interview Questions and Answers

Mid to hard Coding questions

Q1. Coding question
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Q2. Data structure and computer network questions
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Q1. Java based exception handling question
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Q2. Situation based questions
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Q1. Situation based questions
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Q2. About myself and coding knowledge
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Q1. About my self and Relocation
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Q2. About skills and coding knowledge
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Easy level DSA question

Q1. In this round interviewer is mainly focused on OOPs concepts, like, operator overloading, polymorphism, and also have a brief discussion on project.
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Q1. Interviewer asked ML questions and SQL query.
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Q2. What is HTTP and HTTPS and their difference.
Ans. 
HTTP is a protocol used for transferring data over the internet, while HTTPS is a secure version of HTTP that encrypts data.
• HTTP stands for Hypertext Transfer Protocol and is used for transmitting data over the internet.

• HTTPS stands for Hypertext Transfer Protocol Secure and adds a layer of security by encrypting the data being transmitted.

• HTTPS is commonly used for secure online transactions, such as online banking or...read more
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Q3. Difference between CPU and GPU, which is good and why?
Ans. 
CPU is a general-purpose processor for executing tasks sequentially, while GPU is specialized for parallel processing, making it better for graphics and AI.
• CPU is designed for general-purpose computing tasks, executing instructions sequentially.

• GPU is specialized for parallel processing, making it more efficient for graphics rendering and AI tasks.

• CPU typically has fewer cores but higher clock speeds, while GPU has man...read more
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1 hour test contains 2 coding questions.

Q1. Delete a node from Singly and doubly linked list
Ans. 
To delete a node from a singly or doubly linked list, update the pointers of the previous and next nodes.
• For a singly linked list, update the next pointer of the previous node to skip the node to be deleted.

• For a doubly linked list, update the next pointer of the previous node and the previous pointer of the next node to skip the node to be deleted.
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Q2. Validate an email using regex pattern
Ans. 
Use regex pattern to validate an email address
• Use regex pattern /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/

• Ensure email has valid format with username, @ symbol, domain, and top-level domain

• Test regex pattern against different email addresses for validation
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25 Q on Apti 25 in Biomedical engineering

Q1. Major projects done
Ans. 
Developed a mobile app for tracking daily water intake and hydration levels.
• Designed user interface for easy input of water consumption

• Implemented database to store user data securely

• Integrated notifications to remind users to drink water regularly
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Q2. How to incorporate AI in projects you have done
Ans. 
Incorporating AI in projects involves identifying opportunities, selecting appropriate AI techniques, and integrating them effectively.
• Identify areas in the project where AI can add value

• Select appropriate AI techniques based on project requirements

• Integrate AI models into the project workflow

• Continuously evaluate and improve AI performance
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Q1. Team work related question
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Q2. Job location related discussion
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All Aptitude concepts

Medium to heart level questions

Q1. Covered all oops concepts
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Q1. Intro about yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for software development.
• Graduated with a Bachelor's degree in Computer Science

• Skilled in programming languages such as Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft
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Leetcode question , gfg also

Q1. Tell us about your self
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Q2. Explain this project
Ans. 
The project involved developing a mobile application for tracking daily water intake.
• Developed a user-friendly interface for inputting water consumption

• Implemented a feature to set daily water intake goals

• Integrated notifications to remind users to drink water throughout the day
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