Tagbin Backend Developer Interview Questions and Answers

Spring is a framework while Spring Boot is an extension of Spring. Spring Boot uses annotations to simplify configuration.

• Spring is a framework for building Java applications

• Spring Boot is an extension of Spring that simplifies configuration

• Spring Boot uses annotations to configure the application

• Spring Boot provides a lot of defaults and auto-configuration

• Spring Boot is ideal for microservices and cloud-native applica

I am a dedicated and experienced consultant with a strong background in problem-solving and client management.

• Over 5 years of experience in consulting roles

• Skilled in analyzing data and providing strategic recommendations

• Excellent communication and interpersonal skills

• Proven track record of successfully managing client relationships

• Strong ability to work in fast-paced environments and meet deadlines

Developed a web application for tracking student attendance and performance

• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage

• Integrated authentication and authorization features for secure access

I am a highly motivated and detail-oriented analyst with a strong background in data analysis and problem-solving.

• I have a Bachelor's degree in Economics with a focus on statistical analysis

• I have experience using various data analysis tools such as Excel, SQL, and Tableau

• I have successfully completed several projects that involved analyzing large datasets to identify trends and make recommendations

• I am a quick learner

The company is a leading financial services firm specializing in investment banking and asset management.

• Founded in 1869 by Marcus Goldman

• Headquartered in New York City

• Offers a wide range of financial services including mergers and acquisitions, underwriting, and wealth management

• Known for its prestigious client base and high-profile deals

I am not currently planning to get married.

• I am currently focused on my career and personal growth.

• Marriage is not a priority for me at the moment.

• I believe in taking the time to find the right partner before committing to marriage.

I am a passionate software engineer with experience in developing web applications using various technologies.

• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Docker

• Strong problem-solving skills and ability

My hobbies include hiking, playing guitar, and reading science fiction novels.

• Hiking in local trails and national parks

• Playing acoustic and electric guitar in a band

• Reading books by authors like Isaac Asimov and Philip K. Dick

Cognizant offers diverse projects, global exposure, and a strong focus on employee growth and development.

• Cognizant provides opportunities to work on diverse projects, allowing for a broad range of experience.

• The company has a global presence, offering exposure to different cultures and markets.

• Cognizant emphasizes employee growth and development through training programs and career advancement opportunities.

Engineering allows me to solve complex problems, innovate, and create solutions that have a real impact on society.

• Engineering provides a platform to apply scientific knowledge to practical problems.

• It involves critical thinking, problem-solving, and creativity.

• Engineers have the opportunity to work on cutting-edge technologies and make a tangible difference in the world.

• For example, designing software systems to impro...read more

Pin diagram of 8085 microprocessor

• 8085 has 40 pins in total

• Pins are grouped into 5 categories: power supply, address bus, data bus, control and status signals

• Pin 1 is the reset pin, Pin 40 is the Vcc pin

• Examples of control signals: RD, WR, ALE, INT, HOLD

• Examples of status signals: S0, S1, IO/M, HLDA

8086 is an advanced version of 8085 with more features and capabilities.

• 8086 has a 16-bit data bus while 8085 has an 8-bit data bus.

• 8086 has more registers than 8085.

• 8086 has a higher clock speed than 8085.

• 8086 supports virtual memory while 8085 does not.

• 8086 has a more advanced instruction set than 8085.

• Example: 8086 can perform multiplication and division operations while 8085 cannot.

Opamp stands for operational amplifier. It is an electronic device used to amplify and process signals.

• Opamps have high gain and can amplify signals to a very high degree.

• They are commonly used in audio amplifiers, filters, and signal processing circuits.

• Opamps have two input terminals and one output terminal.

• They can be configured in different ways to perform various functions such as amplification, filtering, and osc...read more

Waterfall model has five phases: requirements, design, implementation, testing, and maintenance.

• Requirements phase: gathering and documenting requirements

• Design phase: creating a detailed design based on requirements

• Implementation phase: coding and integrating components

• Testing phase: verifying that the system meets requirements

• Maintenance phase: making changes and updates to the system

• Example: building a website using...read more

Types of testing include unit, integration, system, acceptance, regression, performance, and security testing.

• Unit testing: testing individual units or components of the software

• Integration testing: testing how different units or components work together

• System testing: testing the entire system as a whole

• Acceptance testing: testing to ensure the software meets the requirements and is ready for release

• Regression testing...read more

I enjoy participating in coding competitions, volunteering at tech events, and attending hackathons.

• Participating in coding competitions such as Codeforces or Topcoder

• Volunteering at tech events like hackathons or coding workshops

• Attending hackathons to collaborate with other developers and work on innovative projects

My goal in life is to continuously learn and grow, while making a positive impact on the world around me.

• Continuous learning and personal growth

• Making a positive impact on the world

• Achieving work-life balance

• Building meaningful relationships

• Contributing to the community

I am open to relocation for the right opportunity.

• I am willing to relocate for the job.

• I have no issues moving to a new location for work.

• I am excited about the possibility of experiencing a new city or country.

• I have relocated for previous jobs and have found it to be a positive experience.

I want to relocate for career growth and new experiences, but I am hesitant due to leaving behind family and friends.

• Career growth opportunities in new location

• Desire for new experiences and challenges

• Concerns about leaving behind family and friends

I enjoy watching a variety of shows on TV, including dramas, comedies, and documentaries.

• I watch dramas like Grey's Anatomy and This Is Us

• I enjoy comedies such as The Office and Brooklyn Nine-Nine

• I also like watching documentaries on topics like nature and history

I last saw the movie Inception.

• Directed by Christopher Nolan

• Released in 2010

• Genre: Sci-Fi/Thriller

• Starring Leonardo DiCaprio