Cognizant Programmer Analyst Interview Questions, Process, and Tips

Basics aptitude easily you can crack it

2 code was given 2 sql query and 1 html css js code as I have cluster 1

Q1. Tell me about yourself
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Q2. Write a code to print odd number 0-100
Ans. 
Print odd numbers from 0 to 100 using a loop
• Use a for loop to iterate from 0 to 100

• Check if the current number is odd using the modulo operator (%)

• Print the odd numbers
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Q3. Write a code to covert smaller case to upper case within a mixed word
Ans. 
Code to convert lowercase to uppercase within a mixed word
• Iterate through each character in the word

• Check if the character is lowercase using ASCII values

• If lowercase, convert to uppercase using ASCII values
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Q4. How to add column in sql
Ans. 
To add a column in SQL, you can use the ALTER TABLE statement.
• Use the ALTER TABLE statement followed by the ADD COLUMN keyword.

• Specify the name of the table you want to add the column to.

• Specify the name of the new column and its data type.

• You can also specify additional constraints like NOT NULL or DEFAULT values.

• Example: ALTER TABLE table_name ADD COLUMN column_name data_type;
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Repeated questions have been asked.

Basic Questions Were Asked.

SQL,Python,C,C#,Dotnet

Coding challenge with respect to what is mentioned in resume

Asusual Easy one to clear

Q1. What is components
Ans. 
Components are reusable and independent parts of a system that perform specific functions.
• Components are modular and can be easily replaced or updated without affecting the entire system.

• Examples include UI components in web development like buttons, forms, and navigation bars.

• Components promote code reusability and maintainability in software development.
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Q2. What is angular
Ans. 
Angular is a popular front-end framework for building dynamic web applications.
• Angular is developed and maintained by Google.

• It uses TypeScript for building applications.

• Angular provides features like two-way data binding, dependency injection, and routing.

• Angular CLI is used for creating and managing Angular projects.
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Q1. Managerial questions
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Basic Aptitude and 1 hour duration

1 hr, 2 Easy questions

Q1. Explain Exception Handling with throws
Ans. 
Exception handling with throws is a way to handle errors in a program by explicitly throwing exceptions to be caught and handled elsewhere.
• Throws keyword is used to explicitly throw an exception in a method.

• The method must declare the exception using 'throws' keyword in its signature.

• The exception is then propagated up the call stack until it is caught and handled by a try-catch block.

• Example: public void doSomething()
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Q2. What is Collections
Ans. 
Collections in programming refer to data structures that allow you to store and manipulate groups of objects.
• Collections provide a way to organize and manage multiple objects in a structured manner.

• Examples of collections include lists, sets, maps, and queues.

• Collections in Java are part of the Java Collections Framework, which provides a set of interfaces and classes for working with collections.
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