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10+ Wipro Web Developer Interview Questions and Answers

Updated 12 Feb 2024

Q1. What is your experience with database management systems?

Ans.

I have extensive experience with database management systems.

  • Proficient in SQL and NoSQL databases

  • Designed and implemented database schemas

  • Optimized database performance through indexing and query optimization

  • Experience with MySQL, MongoDB, and PostgreSQL

  • Familiarity with data warehousing and ETL processes

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Q2. What steps do you take to ensure accurate estimates for a project?

Ans.

To ensure accurate estimates for a project, I follow these steps:

  • Gather all project requirements and specifications

  • Break down the project into smaller tasks

  • Estimate the time required for each task

  • Consider any potential roadblocks or delays

  • Factor in any additional time for testing and revisions

  • Review and adjust estimates as needed throughout the project

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Q3. Which programming languages do you use regularly in your work?

Ans.

I use a variety of programming languages depending on the project requirements.

  • I am proficient in JavaScript and use it for front-end development.

  • For back-end development, I use languages like PHP, Python, and Ruby.

  • I also have experience with SQL for database management.

  • I am constantly learning new languages and technologies to stay up-to-date with industry trends.

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Q4. tell me about event loop in javascript and asynchronous programming?

Ans.

Event loop in JS manages the execution of code and handles asynchronous tasks.

  • JS is single-threaded, so event loop helps manage tasks without blocking the main thread.

  • Asynchronous programming allows non-blocking execution of code.

  • Callbacks, Promises, and Async/Await are common ways to handle asynchronous tasks.

  • Example: setTimeout() function uses event loop to execute code after a specified delay.

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Q5. Question :- 1) what is use of php?

Ans.

PHP is a server-side scripting language used for web development.

  • PHP is used to create dynamic web pages and web applications.

  • It can interact with databases, handle forms, and manage sessions.

  • PHP can be embedded into HTML code.

  • Popular websites like Facebook, Wikipedia, and WordPress use PHP.

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Q6. What is a superclass?

Ans.

A superclass is a class from which other classes inherit properties and methods.

  • Superclass is also known as a parent class.

  • Subclasses inherit attributes and behaviors from the superclass.

  • Superclass promotes code reusability and helps in organizing code.

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Q7. What is the php and simple program

Ans.

PHP is a server-side scripting language used for web development. A simple program in PHP is a basic script that performs a specific task.

  • PHP is widely used for creating dynamic web pages and applications.

  • A simple PHP program can be used to display the current date and time on a webpage.

  • PHP programs are written within tags and can be embedded within HTML code.

  • PHP supports various data types, control structures, and functions for performing different operations.

  • PHP programs c...read more

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Q8. What is an object?

Ans.

An object is a data structure that contains properties and methods.

  • Objects are instances of classes in object-oriented programming.

  • Properties are key-value pairs that define the characteristics of the object.

  • Methods are functions that can be called on the object to perform actions.

  • Example: An object representing a car could have properties like 'color' and 'model' and methods like 'start' and 'stop'.

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Q9. What is a class?

Ans.

A class is a blueprint for creating objects in object-oriented programming.

  • Classes define the properties and behaviors of objects.

  • Objects are instances of classes.

  • Classes can inherit properties and behaviors from other classes.

  • Example: class Car { // properties and methods }

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Q10. Define a constructor?

Ans.

A constructor is a special method used to initialize objects in a class.

  • Constructors have the same name as the class they belong to

  • They are called automatically when an object is created

  • They can initialize object properties and perform other setup tasks

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Q11. What is Css and style

Ans.

CSS is a styling language used to describe the look and formatting of a document written in HTML.

  • CSS stands for Cascading Style Sheets.

  • It is used to control the layout and appearance of web pages.

  • CSS separates the content of a webpage from its presentation.

  • It allows developers to apply styles to HTML elements, such as changing colors, fonts, sizes, and positioning.

  • CSS can be written inline, embedded within HTML, or in an external file.

  • Selectors are used to target specific ele...read more

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Q12. What is html and tag

Ans.

HTML is a markup language used to create web pages. Tags are elements used to define the structure and content of the page.

  • HTML stands for HyperText Markup Language

  • Tags are enclosed in angle brackets (<>) and come in pairs - opening tag and closing tag

  • Tags can have attributes that provide additional information about the element

  • Example: <h1>This is a heading</h1>

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Interview Process at Wipro Web Developer

based on 13 interviews
3 Interview rounds
Resume Shortlist Round
Aptitude Test Round
Coding Test Round
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