Cognizant Programmer Analyst Trainee Interview Questions, Process, and Tips

Coding test
Technical round
HR round

Q1. What is R programming? What is Public class? What are access specifiers? Write a array program and explain it for nested loop concept?
Ans. 
R programming is a language and environment for statistical computing and graphics.
• R programming is widely used for data analysis, statistical modeling, and visualization.

• Public class in programming refers to a class that can be accessed from outside the package.

• Access specifiers in programming define the accessibility of classes, methods, and variables.

• An array program using nested loops can be used to iterate through
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Q2. What is artificial intelligence?
Ans. 
Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves machines learning from data, recognizing patterns, and making decisions.

• Examples include virtual assistants like Siri, self-driving cars, and recommendation systems like Netflix.

• AI can be categorized into narrow AI (specific tasks) and general AI (human-like intelligence).
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Q3. What are oops and explain all briefly?
Ans. 
Object-oriented programming concepts including encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details and showi
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Q1. Verification of documents?
Ans. Aadhar card, Pan Card, College Id card
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Q2. What is your name? Show personal documents for verification.
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Q1. Tell me about yourself.
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for programming.
• Recent graduate with a degree in Computer Science

• Passionate about programming

• Experience with Java, Python, and SQL

• Completed internships at tech companies
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Q2. Explain your Project
Ans. 
Developed a web-based inventory management system for a retail company
• Used HTML, CSS, JavaScript for front-end development

• Utilized PHP and MySQL for back-end development

• Implemented features such as product tracking, order processing, and reporting

• Designed user-friendly interface for easy navigation
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1 hour in aptitude and relations

Q1. Self introduction Goal
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Q1. Self information
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60 minutes round general aptitude questions

Q1. HR and Technical round, Basic questions. Best option is to attend through college campus.
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Q2. General Topis based on your profile
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