CoinSwitch SDE Interview Questions and Answers

Q1. Latest features in iOS
Ans. 
iOS 14 introduced new features like App Library, Widgets, Picture in Picture, and Translate app.
• App Library organizes apps automatically into categories

• Widgets can be added to the home screen for quick access to information

• Picture in Picture allows for video playback while using other apps

• Translate app offers real-time translation in multiple languages
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Q2. Concepts of basic topics
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Display list of images with unit tests

SQL and quant, logical questions were asked.

Q1. 1. Tell me about your self 2. Resume based questions 3. Need to write basic SQL queries and also print same output using pandas
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Q1. 1. Tell me about your self 2. Statistics questions 3. Guestimates 4. Why do you want to join company
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Android basic + DSA and problem solving

Q1. Android in depth
Ans. 
Android is a mobile operating system developed by Google, based on the Linux kernel.
• Android is open-source and allows developers to create applications using Java or Kotlin.

• Android apps can be distributed through the Google Play Store or other third-party app stores.

• Android supports a wide range of devices, from smartphones and tablets to smart TVs and wearables.

• Android provides a rich set of APIs for accessing device ...read more
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Medium DSA question on dynamic programming

HackerRank Test - 2 Medium Questions
1. Given an Array Weights of Chocolates, Find Maximum amount of Chocolate that can be saved after "d" days, if you eat half the weight of one of the chocolates every day.
2. Find Closest String with equal number of vowels and consonants.

Q1. Question on DSA, Trees
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Q1. Tell me about your self
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Q2. About job experience
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Q3. Salary expectations
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Q1. Sell me this pen.
Ans. 
This pen is a versatile tool that combines style, functionality, and durability.
• The pen features a sleek design that exudes professionalism.

• Its smooth ink flow ensures a seamless writing experience.

• With a sturdy build, this pen is built to last.

• It comes with a comfortable grip for extended use.

• The pen is refillable, making it a cost-effective choice.

• Ideal for both personal and professional use.

• Suitable for various writ...read more
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Q2. Tell me about your self
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Q3. Tell me about stock market
Ans. 
The stock market is a platform where buyers and sellers trade stocks, representing ownership in publicly traded companies.
• Stock market is a place where stocks or shares of publicly traded companies are bought and sold.

• It provides a platform for companies to raise capital by selling shares to investors.

• Investors can buy and sell stocks through stock exchanges like NYSE, NASDAQ, etc.

• Stock prices fluctuate based on supply...read more
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