KONE Senior Accountant Interview Questions and Answers

There were 4 sections and first one was quant, second one was logical, third was English and finally 3 coding questions in last section

4 codes and 5 technical questions

Q1. Explain multi threading
Ans. 
Multi threading is the ability of a CPU to execute multiple threads concurrently.
• Allows for parallel execution of tasks, improving performance

• Each thread has its own stack and runs independently

• Threads can communicate and synchronize using shared memory

• Examples: running multiple tasks simultaneously in a web server, processing data in parallel
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Q2. What is polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q3. Diff b/w inner and outer joins
Ans. 
Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
• Inner join: returns rows with matching values in both tables

• Outer join: returns all rows from both tables, with NULL values where there is no match

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table
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Aptitude test, quant, grammer, logical

The GD was good they give you current topic and questions related to that

Q1. Tell me about yourself
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Q2. What is role and responsibilities of leader
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Topic given you need to stand out

Case study given regarding marketing opportunity

Q1. Interview taken
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Related to logical,verbal

Q1. Related to coding,basic programming questions
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60 questions in two sets, each set has 30 questions and 30 min to solve. one set consists of aptitude question and other set consists of technical question.

Q1. All questions are asked from my resume.
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Q1. What is relay? what are different componets used in electronics.
Ans. 
A relay is an electrically operated switch. Components used in electronics include resistors, capacitors, transistors, diodes, and integrated circuits.
• Relay is an electrically operated switch used to control a circuit by a low-power signal

• Components used in electronics include resistors, capacitors, transistors, diodes, and integrated circuits

• Resistors are used to limit current flow, capacitors store and release electr...read more
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Q2. What are ICs? Also explain about your project.
Ans. 
ICs stand for Integrated Circuits, which are small electronic devices made up of multiple interconnected components.
• ICs are used in various electronic devices to perform specific functions.

• They can contain thousands to millions of transistors, resistors, capacitors, and other components.

• Examples of ICs include microprocessors, memory chips, and amplifiers.
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First round was of aptitude plus java questions

Q1. Basic js questions : diff betn == and ===, let, var,const etc
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Q2. Coding problem related to array
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