Dell Interview Questions and Answers for Freshers

Q1. Understanding the position
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Q2. My job experience
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Which egg shape will you choose?

Q1. About understanding position
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Q1. Final personal check
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Easy to medium questions

Q1. Create a software
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A software for managing inventory in a retail store
• Create a user-friendly interface for adding, updating, and deleting products

• Include features for tracking sales, restocking inventory, and generating reports

• Implement barcode scanning functionality for quick product lookup
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Q1. Tell me about yourself
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Q1. What is an inactive relationship in PBI
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An inactive relationship in Power BI is a relationship that is not being used in any visualizations or calculations.
• Inactive relationships can occur when a relationship is created but not utilized in any measures or visuals.

• These relationships do not impact the data model or query performance, but can clutter the model view.

• To remove an inactive relationship, you can delete it from the relationship view in Power BI.

• Ina...read more
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Q2. Import vs Direct Query vs Live connection
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Import vs Direct Query vs Live connection
• Import: Data is imported into the tool for analysis, suitable for small datasets or when real-time data is not required

• Direct Query: Data is queried directly from the source in real-time, suitable for large datasets or when up-to-date data is needed

• Live connection: Data is connected live to the source, allowing for real-time updates and analysis without storing data locally
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Q1. Give me the code in-order recursive and non-recursive
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In-order traversal of a binary tree using both recursive and non-recursive methods.
• Recursive method: Traverse left subtree, visit root, traverse right subtree.

• Non-recursive method: Use a stack to simulate the recursive call stack.

• Example: Given binary tree: 1 / \ 2 3, In-order traversal: 2 1 3.
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Q2. How would you sort words in large file
Ans. 
Use external sorting with merge sort algorithm to efficiently sort words in large file
• Divide the large file into smaller chunks that can fit into memory

• Sort each chunk individually using a sorting algorithm like merge sort

• Merge the sorted chunks back together to get the final sorted result

• Example: Divide a file of words into chunks of 1000 words each, sort each chunk using merge sort, then merge the sorted chunks back ...read more
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Q3. Explain the T9 Dictionary
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T9 Dictionary is a predictive text technology used on mobile phones to input text using numeric keypads.
• T9 stands for Text on 9 keys

• It uses a dictionary to predict and suggest words based on the numeric keypad input

• For example, pressing 2-2-8-3-3-7-7-3-3-3 would suggest 'coffee' as a word
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Q4. What is insertion sort code
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Insertion sort is a simple sorting algorithm that builds the final sorted array one item at a time.
• Iterate through the array starting from the second element

• Compare each element with the elements before it and insert it in the correct position

• Repeat until all elements are sorted

• Example: [5, 2, 4, 6, 1, 3] -> [2, 4, 5, 6, 1, 3] -> [2, 4, 5, 6, 1, 3] -> [1, 2, 4, 5, 6, 3] -> [1, 2, 3, 4, 5, 6]
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Q1. What was your first job
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Q2. SMTS Structured Management Technical Solution
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SMTS stands for Structured Management Technical Solution, a method for organizing and implementing technical solutions in a structured manner.
• SMTS helps in breaking down complex technical problems into manageable components

• It involves creating a structured plan for implementing technical solutions

• SMTS ensures that technical solutions are implemented efficiently and effectively
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Q1. Based on DSA, networking and databases
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Q1. Very friendly they just want to get insights
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Q1. Checking of soft skills
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