Mantra Technologies Interview Questions, Process, and Tips

Multiple choice questions and answers

Q1. If we will give the opportunity what is your best
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Q1. What is oops concept and what is numpy and pandas in python
Ans. 
Oops concept is object-oriented programming principles. Numpy and Pandas are libraries in Python for numerical computing and data manipulation.
• Oops concept involves principles like inheritance, encapsulation, polymorphism, and abstraction.

• Numpy is a library for numerical computing in Python, providing support for large, multi-dimensional arrays and matrices.

• Pandas is a library for data manipulation and analysis in Pyth...read more
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Q2. What is operaters in python
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Operators in Python are symbols that perform operations on variables and values.
• Operators include arithmetic operators (+, -, *, /), assignment operators (=, +=, -=), comparison operators (==, !=, <, >), logical operators (and, or, not), and more

• Operators can be used to perform mathematical calculations, assign values, compare values, and combine conditions

• Examples: 5 + 3 (arithmetic), x = 10 (assignment), x == y (comp
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Q3. What is if else conditional statement
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if else statement is a programming construct that allows for conditional execution of code based on a specified condition.
• Used to execute a block of code if a specified condition is true, and another block if the condition is false

• Syntax: if (condition) { // code block } else { // code block }

• Example: if (x > 5) { console.log('x is greater than 5'); } else { console.log('x is less than or equal to 5'); }
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Q4. Why python is high level language is there any reason for calling python is high level language?
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Q1. Methodology followed towards project management, waterfall model vs agile difference, responsibilities shared and job functions, situation leadership, escalation handling, sprint planning
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Q1. DC DC power supply and their details
Ans. 
DC DC power supplies are devices that convert one DC voltage to another DC voltage efficiently.
• DC DC power supplies are used to step up or step down DC voltages for various applications.

• They are commonly used in electronics, telecommunications, and automotive industries.

• Examples include buck converters, boost converters, and buck-boost converters.
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Q2. Inductor and common mode choke parameters and usage
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Inductor and common mode choke parameters and usage
• Inductors are passive electronic components that store energy in a magnetic field

• Common mode chokes are used to suppress electromagnetic interference (EMI) in electronic circuits

• Parameters for inductors include inductance value, current rating, and resistance

• Parameters for common mode chokes include impedance, current rating, and frequency range

• Inductors are commonly u...read more
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Q1. What is difference between HTML and HTML5
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