TCS Computer Engineer Interview Questions, Process, and Tips

Normal aptitude and reasoning questions.

One easy and one moderate questions.

Q1. Tell me about your self
Ans. 
I am a dedicated computer engineer with a passion for problem-solving and innovation.
• Experienced in programming languages such as Java, C++, and Python

• Skilled in network design and troubleshooting

• Strong background in hardware and software integration

• Certified in cybersecurity practices

• Passionate about staying up-to-date with the latest technology trends
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Q2. Why do you want to join tcs?
Ans. 
I want to join TCS because of its reputation for innovation, global presence, and opportunities for growth.
• TCS is known for its cutting-edge technology solutions and innovation in the IT industry

• TCS has a strong global presence with offices in multiple countries, providing opportunities for international exposure

• TCS offers a wide range of projects and clients, allowing for professional growth and development

• TCS has a s...read more
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Q3. Why do you choose java
Ans. 
I choose Java for its platform independence, strong community support, and extensive libraries.
• Platform independence allows Java code to run on any device with a JVM

• Strong community support means access to resources, forums, and updates

• Extensive libraries provide pre-written code for common tasks, saving time and effort
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Q4. What is the use of abstract class?
Ans. 
Abstract class is used as a blueprint for other classes to inherit from, providing common methods and properties.
• Provides a template for other classes to follow

• Can contain abstract methods that must be implemented by child classes

• Cannot be instantiated on its own, only used for inheritance

• Allows for code reusability and organization

• Example: Shape class with abstract method calculateArea, Circle and Square classes inher
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Q5. What is the sue of interface?
Ans. 
Interfaces in computer engineering are used to define a contract for classes to implement, allowing for polymorphism and loose coupling.
• Interfaces define a set of methods that a class must implement.

• They allow for polymorphism, where objects of different classes can be treated as objects of the same interface.

• Interfaces promote loose coupling between classes, making code more modular and easier to maintain.

• Examples of ...read more
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Medium level of questions, medium level of questions

Three coding questions will be given. easy, medium, hard questions.

There were simple aptitude questions of numerical verbal and logical.

Q1. Asked about programming language I was comfortable.
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Q2. Asked about Java and oops concepts and project .
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It is very easy to clear aptitude in tcs

We need to learn little coding techniques

Q1. How mant normalization forms are there
Ans. 
There are 5 normalization forms in database design.
• 1. First Normal Form (1NF) - Eliminate repeating groups and ensure each field contains only atomic values.

• 2. Second Normal Form (2NF) - Meet 1NF requirements and all non-key attributes are fully functional dependent on the primary key.

• 3. Third Normal Form (3NF) - Meet 2NF requirements and eliminate transitive dependencies.

• 4. Boyce-Codd Normal Form (BCNF) - Meet 3NF req...read more
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Q2. Explian about 3 normalization
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization helps in reducing data redundancy by organizing data into multiple tables.

• It improves data integrity by ensuring that each piece of data is stored in only one place.

• There are 3 main forms of normalization: 1NF, 2NF, and 3NF.
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