Trawex Technologies Senior IOS Developer Interview Questions and Answers

Online coding test having basic problems and some aptitude problem.

Q1. Interviewer will ask opps and 2 basic coding problem 2 aptitude problem if you mention any technology in resume then ask about technology and projects
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Q2. What is opps ?
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OOPs stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain both data and methods to manipulate that data.

• Encapsulation, inheritance, polymorphism, and abstraction are key principles of OOPs.

• Examples of OOPs languages include Java, C++, and Python.
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Q3. What is singleton class ?
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Q1. Introduce yourself
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It has include logical ,reasoning question. Aptitude questions are include mcq type question.

Firstly introduce yourself then HR take the one subject then selected candidate discuss on that subject. Subject related talking positive and negative point. Then who candidate speak better these are select in next round.

Discussion on experience and current role and responsibilities

Q1. 1. Discuss one past project
Ans. 
Developed a web-based inventory management system to streamline stock tracking and order processing for a retail client.
• Utilized React for the front-end, ensuring a responsive and user-friendly interface.

• Implemented a RESTful API using Node.js and Express to handle data transactions.

• Integrated a PostgreSQL database for efficient data storage and retrieval.

• Incorporated real-time notifications for low stock levels using ...read more
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Q2. 2. Design a job scheduler
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A job scheduler is a software application that manages the scheduling of tasks or jobs to be executed by a computer system.
• Define the job scheduling requirements such as priority, deadline, resource constraints, etc.

• Implement a scheduling algorithm like First Come First Serve, Shortest Job First, Round Robin, etc.

• Maintain a queue of jobs to be executed and allocate resources accordingly.

• Monitor job execution and handle...read more
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Q1. How much experience you have?
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Q2. How much expecting ?
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60 Minute Duration on 3 topics, including logical, oop and mathematical

Divisibility, LCM, HCF.
Numbers, Decimals, Fractions, Powers.
Profit, Loss.
Simple interest and Compound interest.
Speed, Distance, Time.
Work and wages.
Trains, Boats, Streams-upstream/downstream, Circular track questions.
Cistern and pipes.

Coding interviews test candidates' technical knowledge, coding ability, problem solving skills, and creativity, typically on a whiteboard.

Choose a topic based on the assignment.
2 Conduct research.
3 Write a thesis statement

Technical mcq from basic of dsa

Question from DSA and time will given to solve it