CTS Consulting & Technical Support Interview Questions and Answers for Freshers

To check if a string is a palindrome or not.

• Reverse the string and compare with the original string.

• Use two pointers, one at the start and one at the end, and compare the characters.

• Ignore spaces and punctuation marks while comparing the characters.

Object Oriented Programming is a programming paradigm that organizes code into objects with properties and behaviors.

• Encourages modular and reusable code

• Focuses on data encapsulation and abstraction

• Supports inheritance and polymorphism

• Examples: Java, C++, Python

Databases are used to store, manage, and retrieve large amounts of structured data efficiently.

• Databases provide a structured way to organize and store data.

• They allow for efficient data retrieval and manipulation.

• Databases ensure data integrity and consistency through data validation and constraints.

• They support concurrent access and provide security mechanisms to protect data.

• Databases enable data analysis and reporting through query capabilities.

• Examples of databases inclu...read more

Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.

• Normalization helps in reducing data redundancy by breaking down data into smaller, logical tables.

• It ensures that each piece of data is stored only once, reducing storage space and improving efficiency.

• Normalization also helps in maintaining data integrity by preventing anomalies like update, insert, and delete anomalies.

• There are different levels of normalization...read more