InfoService Biotechnologist Interview Questions and Answers

Q1. About your project and s1kills
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Q2. Interview went well .
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Q1. Be prepared for coding questions and sql
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Round duration - 40+140 minutes
Round difficulty - null
Conceptual/ Code Analysis and Case study.

Q1. DSA question
Ans. 
Answer a DSA question
• Understand the problem statement

• Identify the data structures and algorithms required

• Write the code and test thoroughly
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The technical face-to-face interview round is the most crucial in the entire interview process. I was
well-versed in computer science fundamentals such as OOPS, DBMS, CN, OS
and was able to communicate them clearly to the interviewer.

Q1. What is the difference between classful and classless addressing?
Ans. 
Classful addressing uses fixed network sizes, while classless addressing allows for variable network sizes.
• Classful addressing divides IP addresses into five classes: A, B, C, D, and E.

• Classful addressing assumes that all networks within a class have the same network size.

• Classless addressing allows for more flexibility in network size and allows for the creation of subnets.

• Classless addressing is used in modern networ...read more
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Q2. What is IPv4 and IPv6?
Ans. 
IPv4 and IPv6 are internet protocol versions used to identify devices on a network.
• IPv4 uses 32-bit addresses and can support up to 4.3 billion unique addresses.

• IPv6 uses 128-bit addresses and can support an almost infinite number of unique addresses.

• IPv6 also includes features such as better security and improved routing.

• Both protocols are currently in use, but IPv6 is becoming more widely adopted as IPv4 addresses be
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Q3. What is Denormalization and what is its application?
Ans. 
Denormalization is the process of adding redundant data to improve query performance.
• It involves duplicating data in multiple tables to avoid joins and improve query speed.

• It can be useful in read-heavy applications where query performance is critical.

• Examples include adding a total sales column to a customer table instead of calculating it through joins.

• It can also involve flattening nested data structures to improve ...read more
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Q4. What is paging ?
Ans. 
Paging is a memory management technique used by operating systems to manage memory usage.
• It involves dividing memory into fixed-size pages.

• Pages are loaded into physical memory as needed.

• Allows for more efficient use of memory and prevents fragmentation.

• Examples include demand paging and page replacement algorithms.
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Q5. What is segmentation?
Ans. 
Segmentation is the process of dividing a larger market into smaller groups of consumers with similar needs or characteristics.
• Segmentation helps companies to better understand their target audience and create more effective marketing strategies.

• There are different types of segmentation such as demographic, geographic, psychographic, and behavioral.

• For example, a company may use demographic segmentation to target a spe...read more
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Q6. What is thrashing?
Ans. 
Thrashing is a phenomenon in computer systems where excessive paging or swapping occurs, resulting in decreased performance.
• Occurs when the system spends more time swapping pages than executing instructions

• Caused by insufficient memory or poorly optimized programs

• Can be identified by high disk activity and low CPU utilization

• Example: A computer running multiple memory-intensive applications simultaneously
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Q7. Why should we hire you?
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Q8. Are you interested in an internship or learning program?
Ans. 
Yes, I am interested in an internship or learning program.
• I am eager to gain practical experience in my field of study.

• I am open to learning new skills and expanding my knowledge.

• I am excited to work with professionals in the industry and learn from their expertise.
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Round duration - 45 minutes
Round difficulty - null
The test was on AMCAT platform and the questions were multiple choice questions. It was an online test. There are 3 sections:- 1. Quants 2. Logical 3. English The questions were of easy to moderate difficulty level.

Q1. Aptitude question like ratio and proportion, speed time distance etc.
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Round duration - 20 minutes
Round difficulty - null
As I belonged to a core background(mechanical) so the interviewer was quite lenient and asked more from my subjects and basic questions related to C, python and OOPs concepts.

Q1. Introduce yourself
Ans. 
I am a highly motivated individual with a passion for learning and problem-solving.
• I have a degree in computer science and have worked as a software developer for 2 years.

• I am proficient in programming languages such as Java, Python, and C++.

• I have experience working in agile development environments and collaborating with cross-functional teams.

• I am a quick learner and enjoy taking on new challenges.

• In my free time, I
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Q2. Why do you want to enter the IT sector?
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Q3. Where do you rate your programming skills on a scale of 1 to 10?
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Q4. Are you comfortable to code on this interview call?
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Q5. Define data types
Ans. 
Data types are classifications of data items based on their characteristics and properties.
• Data types determine the type of data that can be stored in a variable or used in an expression.

• Common data types include integers, floating-point numbers, characters, strings, and booleans.

• Data types can be categorized as primitive or non-primitive, depending on whether they are built-in or user-defined.

• Primitive data types incl...read more
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Q6. Define OOPs concept.
Ans. 
OOPs is a programming paradigm that focuses on objects and their interactions to solve problems.
• OOPs stands for Object-Oriented Programming.

• It emphasizes on encapsulation, inheritance, and polymorphism.

• Encapsulation is the process of hiding implementation details from the user.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects to take on multiple forms or behavio...read more
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Q7. What is memory allocation?
Ans. 
Memory allocation is the process of assigning memory space to programs or processes.
• Memory allocation is essential for programs to run efficiently.

• It involves reserving a block of memory for a program to use.

• There are different methods of memory allocation such as stack allocation and heap allocation.

• Examples of memory allocation functions in programming languages include malloc() in C and new operator in C++.
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Q8. What do you know about beams?
Ans. 
Beams are structural elements that support loads by resisting bending.
• Beams are typically horizontal, but can also be vertical or diagonal.

• They are commonly made of wood, steel, or concrete.

• The shape and size of a beam depends on the load it needs to support and the span it needs to cover.

• Examples of beams include floor joists, roof trusses, and bridge girders.
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Q9. Define Thrust
Ans. 
Thrust is the force that propels an object forward.
• Thrust is a force that acts in the opposite direction to drag.

• It is commonly used in the context of propulsion systems, such as rockets and jet engines.

• Thrust can be measured in units of force, such as pounds or newtons.

• Examples of thrust include the force generated by a car's engine, the thrust of a rocket during liftoff, and the thrust of a swimmer's arms and legs th
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Q10. Define turbines and its type?
Ans. 
Turbines are machines that convert fluid energy into mechanical energy. There are four types of turbines: steam, gas, hydro, and wind.
• Turbines are used in power generation, aviation, and marine propulsion.

• Steam turbines are commonly used in power plants.

• Gas turbines are used in aviation and power generation.

• Hydro turbines are used in hydroelectric power plants.

• Wind turbines are used in wind farms to generate electricit...read more
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Round duration - 10 minutes
Round difficulty - null
It was an extremely short round where most of it was focused on document verification and id-proofs.

Q1. Are you a team leader? If yes, please justify
Ans. 
Yes, I am a team leader.
• I have experience leading a team of 5 in my previous job.

• I have successfully managed projects and delegated tasks to team members.

• I have received positive feedback from my team members and superiors on my leadership skills.

• I believe in fostering a collaborative and supportive work environment to achieve team goals.
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Q2. Why do you want to join Cognizant?
Ans. Cognizant is a well-known brand and I have known many seniors who are working and excelling in the very same company. It is a place to grow and learn.
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Q3. Please show your Aadhaar Card and College ID.
Ans. 
I presented my Aadhaar Card and College ID as requested.
• I handed over my Aadhaar Card and College ID to the interviewer.

• The interviewer checked both documents to verify my identity and enrollment in college.
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Consisted of quant, logical and english

Had coding rounds of 7 questions

Q1. Consisted questions from aptitude, coding and my department.
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Q1. Why join Cognizant and reason for selecting IT profession.
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Round duration - 120 minutes
Round difficulty - Easy

Q1. 
Maximum Difference Problem Statement
Given an array ARR of N elements, your task is to find the maximum difference between any two elements in ARR.
If the maximum difference is even, print EVEN; if it is...read more
Ans. 
Find the maximum difference between any two elements in an array and determine if it is even or odd.
• Iterate through the array to find the maximum and minimum elements

• Calculate the difference between the maximum and minimum elements

• Check if the difference is even or odd and return the result
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