Fidelity International Software Developer Intern Interview Questions and Answers

One machine coding round, parking lot question

Q1. Question related to parking lot
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Q2. Current project related questions
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Q1. High level design
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Q2. Yet to appear ......
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Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
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Q2. All basic JS Questions to cover Hoisting closure
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Q3. They asked to show me an example using the API call
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Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
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Basic array and vectors DSA questions

Q1. Asked me about my past project and my contribution in it
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Q2. Linux commands and c++ language control
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Q3. Asked me to write last function i wrote and explain what it does
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Q1. Asked me about my past projects and my contribution
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Q2. Checked my work ethics
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Q1. Basic hr questions
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Q2. Salary negotiation
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Write code to return the maximum profit by buying and selling stocks using available money

Q1. What is HTML and CSS?
Ans. 
HTML and CSS are markup languages used for creating and styling web pages.
• HTML stands for HyperText Markup Language and is used for structuring content on web pages.

• CSS stands for Cascading Style Sheets and is used for styling the appearance of web pages.

• HTML uses tags to define elements like headings, paragraphs, images, and links.

• CSS allows for customization of colors, fonts, layout, and other visual aspects of a web...read more
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Q2. Operating Systems, DBMS, Python
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Q1. On demand video assessment that include questions to answer.
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Q2. Games designed to test different ability.
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