ABB Executive Accountant Interview Questions and Answers

Aptitude test, quant, grammer, logical

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...read more
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Q1. What do you know about company Technical questions and the subject you say
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Q1. Introduction to self Why do you want to join this company
Ans. 
I am a passionate individual eager to contribute to your innovative team and grow professionally in a dynamic environment.
• I admire the company's commitment to innovation, as seen in your recent project on sustainable technology.

• Your focus on employee development aligns with my goal of continuous learning and skill enhancement.

• I am excited about the collaborative culture here, which I believe fosters creativity and team...read more
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Topic given you need to stand out

Case study given regarding marketing opportunity

Q1. Interview taken
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Q1. Basic and advanced concepts
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Related to logical,verbal

Q1. Related to coding,basic programming questions
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This includes data interpretation,games,paragraph based question in verbal ability and the time is 30 mins

Q1. What is linked list
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Consists of nodes connected by pointers

• Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)

• Allows for dynamic size and efficient insertion/deletion operations
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Q2. Project related
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