CEI Software Engineer Trainee Interview Questions and Answers

Asp. Net, MVC, OOPS concepts

Q1. 1.Asked to write the syntax for number pattern program 2.SQL queries - where condition, disctinct 3.OOPS concepts 4.Authorization, authentication
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Q1. They said about work times and discussed about package
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Q1. Oops concepts and interface
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Q2. Method overloading and overriding
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Q1. Abt web api and mvc
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Q2. Abt web api and mvc
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Simple map question basically it was frequency based sorting

Q1. Explain about oops
Ans. 
Object-oriented programming paradigm where data and behavior are encapsulated within objects
• Encapsulation: bundling data and methods that operate on the data within a single unit

• Inheritance: ability for a class to inherit properties and behavior from another class

• Polymorphism: ability for objects of different classes to respond to the same method call
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Q2. Tell me about the threads in Operating system
Ans. 
Threads in operating system are lightweight processes that share the same memory space and resources.
• Threads allow for concurrent execution within a single process

• Threads share the same memory space, allowing for efficient communication and data sharing

• Threads can be created and managed by the operating system or by the application itself

• Examples of threading models include user-level threads and kernel-level threads
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Q1. How abstraction and inheritance are related?
Ans. 
Abstraction allows for defining a common interface for related objects, while inheritance enables a class to inherit attributes and methods from another class.
• Abstraction involves hiding the implementation details and showing only the necessary features of an object. Inheritance allows a class to inherit properties and behaviors from another class.

• Abstraction helps in creating a blueprint of a class without providing t...read more
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Q2. Given a perticular time, find the angle between hour hand and minute hand.
Ans. 
To find the angle between hour and minute hand at a given time on a clock face.
• Calculate the angle made by hour hand with 12:00 on the clock face

• Calculate the angle made by minute hand with 12:00 on the clock face

• Find the absolute difference between the two angles

• If the angle is greater than 180 degrees, subtract it from 360 degrees for the acute angle
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Basic technical question like oopc, dbms, os, sql

Q1. I don't know why they rejected me
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Q2. What ever they asked me for coding part the output is correct and logic is also correct
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Question based on array string linkedlist