Vocso Technologies Interview Questions and Answers

Coding test was based on the basic concepts.

Q1. It was machine test
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Q1. Find missing number form an array
Ans. 
Find missing number from an array of strings
• Convert all strings to integers

• Find the minimum and maximum values in the array

• Iterate through the range of values and check for the missing number
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Q2. Delete duplicate value from table
Ans. 
Use SQL query with DISTINCT keyword to delete duplicate values from a table.
• Use the DELETE statement with a subquery that selects the distinct values from the table.

• Example: DELETE FROM table_name WHERE id NOT IN (SELECT MIN(id) FROM table_name GROUP BY column_name);
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Q1. OOPS concepts with real life example
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OOPS concepts are fundamental principles in object-oriented programming that help in organizing and managing code efficiently.
• Encapsulation: Wrapping data and methods into a single unit. Example: A car object with properties like color and methods like start() and stop().

• Inheritance: Reusing code from existing classes. Example: Animal class with properties and methods inherited by Dog and Cat classes.

• Polymorphism: Abil...read more
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Q1. Technical Discussion with higher management
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Simple questions related to simple interest , ratios and proportions

Q1. Basic knowledge of Oops Concepts and SQL And basic program like Pallimdrome Sum of digits of given number etc....
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Q1. Are you willing to work in night shift ?
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Q1. Class four pillars of oops
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The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling of data and methods into a single unit (class) to hide implementation details.

• Inheritance: Ability of a class to inherit properties and behaviors from another class.

• Polymorphism: Ability of objects of different classes to respond to the same message in different ways.

• Abstraction: Simplifying complex systems by ...read more
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Q2. Css basic questions tag in html
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Q1. Introduction discuss about bond
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Q2. Basic questions family background only check communication
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