Gilbarco Veeder Root Principal Software Engineer Interview Questions and Answers

Online coding test and aptitude

Q1. Dsa and memory management basics
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Q1. Puzzles and Dsa
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General Aptitude - Time Series, Probability & statistics

Q1. General Interview questions on Operator Overriding , Method Overloading
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Logical reasoning and technical aptitude questions

Q1. Design a tic tac toe game
Ans. 
A simple tic tac toe game design with a 3x3 grid and two players taking turns to place their marks.
• Create a 3x3 grid to represent the game board

• Allow two players to take turns placing their marks (X or O) on the grid

• Check for a win condition after each move to determine the winner

• Handle tie game if all spaces on the grid are filled without a winner
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Q2. Questions based on resume
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Q1. Oops concept based questions
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Q2. Designing a login page
Ans. 
Designing a login page for a software application
• Include fields for username and password

• Implement password strength validation

• Provide option for password reset

• Incorporate CAPTCHA for security

• Utilize HTTPS for secure communication
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Q1. About yourself description
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Q2. Interests and hobbies
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60 questions to be done in 60 mins

Q1. String DSA questions
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Q2. Applications of Data Structures
Ans. 
Data structures are used to store and organize data efficiently in computer programs.
• Data structures help in efficient searching, sorting, and manipulation of data.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Applications include database management systems, file systems, and network protocols.
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Q1. About basic oops concepts and SQL concepts
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Q2. How resize win form according to screen size
Ans. 
To resize a win form according to screen size, use the Anchor property and the SizeChanged event.
• Set the Anchor property of the form and its controls to adjust their position and size relative to the form's edges.

• Handle the SizeChanged event of the form to update the size and position of the controls based on the new form size.

• Use the Screen class to get the size of the screen and adjust the form size accordingly.

• Consi...read more
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Q1. Managerial round about project details
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It was basically mcq on dsa and os

Q1. Sort 0s 1s and 2s,linked list based questions,basic oops consepts and puzzle
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Q1. Qusestions were mostly on my projects
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Coding related to Arrays and String

Q1. Explain your project?
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30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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