Albanna Engineering Interview Questions and Answers

Q1. Difference b/w deep copy and shallow copy
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

• Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the origin...read more
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Q2. Difference between foreach and map
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foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• foreach does not return a new array, while map does

• foreach is used for side effects, while map is used for transformation

• Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

• Example: map - let numbers = [1, 2, 3]; let doub...read more
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Q3. Pure impure pipe
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Q4. Ngonchanges usage
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Q5. Basic array methods
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Q6. Difference null undefined empty values in js
Ans. 
null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.
• null is used to represent the intentional absence of any value

• undefined means a variable has been declared but not assigned a value

• Empty values can be empty string (''), empty array ([]), or empty
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The aptitude test included questions from mathematics from chapters such as P/L , %age, etc. and reasoning type questions. There were some grammar related, general knowledge related questions. The third was from computer basics as for my job excel and computer knowledge was required.

Q1. Typing test via software.
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Q2. About my college project.
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Q3. How would I manage my study and job?
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Q1. Prepare a presentation on how you reached the office from you home and what happened till interacting with the HOD.
Ans. 
I took a bus to the office, stopped for coffee on the way, and had a brief chat with a colleague before meeting the HOD.
• Took a bus from home to the office

• Stopped for coffee at a nearby cafe

• Had a brief chat with a colleague in the office

• Interacted with the HOD in a scheduled meeting
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Q2. About yourself.
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Q1. How do agile methodologies function in B2B projects?
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Q2. What is your experience with barcode scanners?
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Q1. What is your experience with parallelizing transformers, and how do you approach splitting them across multiple devices to minimize latency?
Ans. 
I have experience parallelizing transformers by splitting them across multiple devices to minimize latency.
• I have utilized frameworks like TensorFlow and PyTorch to parallelize transformers.

• I approach splitting transformers by dividing the input data into chunks and distributing them across devices.

• I optimize communication overhead by minimizing data transfer between devices.

• I leverage techniques like data parallelism ...read more
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Q1. Dumb HR will ruin the company or maybe they behave how the company wants them to behave.
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Q1. What is coalesce
Ans. 
Coalesce is a function used to return the first non-null value in a list of expressions.
• Coalesce function is commonly used in SQL to handle null values.

• It takes multiple arguments and returns the first non-null value.

• Example: COALESCE(column1, column2, 'default') will return the value of column1 if not null, else column2, and if both are null, it will return 'default'.
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Q2. What is repartition
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Repartition is the process of redistributing data across partitions in a distributed system.
• Repartitioning helps in balancing the workload and improving performance in distributed computing environments.

• It involves moving data between partitions based on certain criteria such as key values or hash functions.

• Repartitioning can be done in Spark using operations like repartition() or coalesce().
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Q1. Non repeatable character
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A non repeatable character is a character that appears only once in a given string.
• Iterate through the string and count the frequency of each character

• Identify the characters that have a frequency of 1

• Return the first non repeatable character found
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Q2. Sort list without sort method
Ans. 
Sort list without using sort method
• Create a custom sorting function using loops

• Compare each element with every other element to determine the correct order

• Swap elements based on the comparison results
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Q1. Tell me about yourself
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Q2. Do you know the job role?
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Q3. What were the golden rules of accounting
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The golden rules of accounting are basic principles that guide the process of recording financial transactions.
• The three golden rules of accounting are: Debit the receiver, Credit the giver; Debit what comes in, Credit what goes out; Debit all expenses and losses, Credit all incomes and gains.

• These rules help ensure that financial transactions are accurately recorded and classified in the accounting system.

• For example,...read more
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Q4. What is depreciation
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Depreciation is the allocation of the cost of a tangible asset over its useful life.
• Depreciation is a non-cash expense that reduces the value of an asset over time.

• It reflects the wear and tear, obsolescence, or decrease in value of the asset.

• Common methods of calculating depreciation include straight-line, double declining balance, and units of production.

• Example: A company buys a delivery truck for $50,000 with a use...read more
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Q5. What do you know about GST
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GST stands for Goods and Services Tax, a value-added tax levied on most goods and services sold for domestic consumption.
• GST is a single tax on the supply of goods and services, right from the manufacturer to the consumer.

• It has replaced multiple indirect taxes like VAT, service tax, etc.

• GST has 4 tax slabs - 5%, 12%, 18%, and 28%.

• Input tax credit can be claimed on taxes paid on input goods and services.

• GST registratio...read more
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Q6. What are the types of GST
Ans. 
Types of GST include CGST, SGST, IGST, and UTGST.
• CGST - Central Goods and Services Tax

• SGST - State Goods and Services Tax

• IGST - Integrated Goods and Services Tax

• UTGST - Union Territory Goods and Services Tax
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Q7. Tell me about any topic in hindi
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Q1. Tell me about yourself
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Q2. Where do you live in Bangalore
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Q3. Do you know about Tally,GST and TDS
Ans. 
Yes, I am familiar with Tally for accounting, GST for taxation, and TDS for tax deduction.
• I have experience using Tally software for maintaining accounting records.

• I understand the concepts of GST (Goods and Services Tax) and its implications on business transactions.

• I am aware of TDS (Tax Deducted at Source) and its requirements for tax deduction.

• I have practical knowledge of how to handle GST and TDS compliance in ac
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Q4. Do you know that the job role is a voice process one?
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Q5. Do you know the salary package here?
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Q1. Tell me about any topic in hindi
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Q2. Do you know that hindi is mandatory in this company?
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