HT Media Internship Trainee Interview Questions and Answers

Basic aptitude and graduation based OS, CN, DAA and DBMS questions

Q1. Psychological warfare, to be honest
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Q1. Questions on DBMS, CN and DAA
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Q1. C# abstraction and encapsulation
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Q2. Reflection and indexers in c#
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Reflection and indexers in C#
• Reflection allows inspecting and manipulating metadata of types, objects, and assemblies at runtime

• Indexers provide a way to access elements of a class or struct using array-like syntax

• Reflection can be used to dynamically access and invoke indexers
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Q3. Difference between ienumerable and iqueryable
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IEnumerable is read-only and forward-only while IQueryable is queryable and can be filtered.
• IEnumerable is used for in-memory collections while IQueryable is used for querying databases.

• IQueryable is more efficient for large datasets as it allows for server-side filtering.

• IQueryable extends IEnumerable and adds additional functionality for querying data sources.

• Example: IEnumerable numbers = new List { 1, 2, 3 }; IQuer
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Q4. Difference between rank and dense rank in c#
Ans. 
Rank assigns unique numbers to each distinct value, while dense rank assigns consecutive numbers to each distinct value.
• Rank and DenseRank are used to assign a unique number to each distinct value in a sorted list.

• Rank assigns a unique number to each distinct value, but leaves gaps for ties.

• DenseRank assigns consecutive numbers to each distinct value, without leaving gaps for ties.

• In C#, Rank and DenseRank are availabl...read more
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Q5. Difference between function and Stored procedure
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Functions return a value while stored procedures do not.
• Functions are used to perform a specific task and return a value to the caller.

• Stored procedures are used to execute a set of statements and do not return a value.

• Functions can be used in SQL statements while stored procedures cannot.

• Functions can be called from within stored procedures.

• Functions can be used in expressions while stored procedures cannot.
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Q6. Difference between clustered and non clustered index
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Clustered index determines the physical order of data in a table, while non-clustered index has a separate structure.
• Clustered index sorts and stores the data rows in the table based on their key values, while non-clustered index has a separate structure that contains the key values and a pointer to the data row.

• A table can have only one clustered index, while it can have multiple non-clustered indexes.

• Clustered index ...read more
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Q7. Difference between execute scalar and execute nonquery
Ans. 
ExecuteScalar returns single value while ExecuteNonQuery does not return any value.
• ExecuteScalar is used for retrieving a single value from the database, such as a count or sum.

• ExecuteNonQuery is used for executing SQL statements that do not return any value, such as INSERT, UPDATE, DELETE.

• ExecuteScalar returns the first column of the first row of the result set, while ExecuteNonQuery returns the number of rows affecte...read more
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According to skills and experience

Q1. One one round with technical person then manager
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Q2. It's upto your resume and skills
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Q1. Salary discussion and final round with general manager
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Q1. Node.js event loop, streams, concurrency etc.
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Q1. Project discussion
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Q2. Hooks concept questions
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Questions on dp... longest increasing sequence

Q1. Questions on arrays....
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Q2. Questions on stacks... min stack
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Q1. Self introduction
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Q2. Why do you think you are better fit for this role?
Ans. 
I am a better fit for this role due to my relevant skills, experience, and passion for the industry.
• I have completed relevant coursework in my field of study

• I have previous internship experience in a similar role

• I am passionate about the industry and eager to learn and grow

• I possess strong communication and teamwork skills

• I am proactive and able to take initiative in projects
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Basic LIS problem. Coded using Java. Asked to improve it using collections.

Q1. Explain current project and what you have handled
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Q2. Longest substring problem
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Find the longest substring without repeating characters in an array of strings.
• Iterate through each string in the array

• Use a set to keep track of characters seen so far

• Update the longest substring length as you iterate
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