Bharat Sanchar Nigam Office Assistant Data Entry Operator Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Why do you want to join this company
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Q1. It was a online coding round with one question related to a medium hard binary search question..
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Q2. The second question was bit ambiguous question involving a tree, where we were asked to add a tree child and subchild in the form a a directory and subdirectory
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Q1. Use of Hash Table
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Hash tables are data structures that store key-value pairs for efficient retrieval.
• Hash tables use a hash function to map keys to indexes in an array.

• They have constant time complexity for insertion, deletion, and lookup operations.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.
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Q1. What is modulation
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Modulation is the process of varying a carrier signal's properties to encode information.
• Modulation is used in telecommunications to transmit information over long distances.

• There are different types of modulation such as amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM).

• In AM, the amplitude of the carrier signal is varied in proportion to the waveform being transmitted.

• In FM, the frequenc...read more
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Q2. Types of modulation
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Modulation is the process of varying a carrier signal's properties to transmit information.
• Types of modulation include amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM)

• AM involves varying the amplitude of the carrier signal to encode information

• FM involves varying the frequency of the carrier signal

• PM involves varying the phase of the carrier signal

• Other types of modulation include quadrat...read more
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Q1. Are you willing to relocate
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Q2. Salrary negotiations
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3 rounds starts with Technical and then group discussion and final round was about HR.

Online coding round with choice of your language.

Q1. Positives and negatives
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Q2. About relocations to different places.
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Q1. Why do you want to work at ericsson
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I want to work at Ericsson because of their innovative technology solutions and global impact in the telecommunications industry.
• Ericsson is a leader in the telecommunications industry, providing cutting-edge technology solutions.

• I am impressed by Ericsson's global presence and impact, working with clients all over the world.

• I am excited about the opportunity to contribute to Ericsson's innovative projects and work wit
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Q2. What do you think about repetitive tasks
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Repetitive tasks can be monotonous but also provide an opportunity for efficiency and improvement.
• Repetitive tasks can lead to boredom and decreased motivation.

• However, they also offer a chance to streamline processes and identify areas for improvement.

• For example, data entry may be repetitive but can highlight errors in the system that need to be addressed.

• Creating templates or checklists can help make repetitive task...read more
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Q1. What is garbage collection?
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Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.
• Garbage collection is a process of identifying and freeing up memory that is no longer in use by the program.

• It helps prevent memory leaks and improves program performance.

• Examples of garbage collection include Java's automatic garbage collection and Python's reference counting and garbage col...read more
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Q2. Difference between foreign key and primary key
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Primary key uniquely identifies a record in a table, while foreign key refers to a field in another table.
• Primary key is used to enforce data integrity and ensure uniqueness of records.

• Foreign key is used to establish a relationship between two tables.

• A table can have only one primary key, while it can have multiple foreign keys.

• Primary key is always indexed, while foreign key may or may not be indexed.

• Example: In a da...read more
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Q3. One coding question about trees
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