Infinite Computer Solutions Interview Questions, Process, and Tips

Excel assignment to check power point and excel skills

Q1. Presentation based on assignment and share past knowledge and experience.
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Q1. Tell me about yourself.
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Q2. OOPS Concept with real time examples
Ans. 
OOPs concepts like encapsulation, inheritance, polymorphism, and abstraction are fundamental in software engineering.
• Encapsulation: Bundling data and methods that operate on the data within one unit, e.g., a class representing a bank account.

• Inheritance: A mechanism where a new class derives properties from an existing class, e.g., a 'Dog' class inheriting from an 'Animal' class.

• Polymorphism: The ability to present the...read more
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Q3. What is deadlock or why synchronized key is used?
Ans. 
Deadlock occurs when two or more threads are blocked forever, waiting for each other to release resources.
• Deadlock happens in multi-threaded environments when threads hold resources and wait for others.

• Example: Thread A holds Resource 1 and waits for Resource 2, while Thread B holds Resource 2 and waits for Resource 1.

• To prevent deadlock, use synchronized blocks or methods to control access to shared resources.

• Synchron...read more
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Q4. What is the query for fetching top 5 salaries of employee table?
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Use SQL to retrieve the top 5 highest salaries from the employee table.
• Use the SQL SELECT statement to specify the columns you want to retrieve.

• Use the ORDER BY clause to sort the salaries in descending order.

• Limit the results to the top 5 using the LIMIT clause.

• Example query: SELECT salary FROM employee ORDER BY salary DESC LIMIT 5;
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Q1. My self Suresh I have data entry experience 3 years
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Q2. What do you know? your experience data entry? how is typing speed?
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I have 3 years of experience in data entry with a typing speed of 70 words per minute.
• I have 3 years of experience in data entry.

• I am proficient in using Microsoft Excel and Word for data entry tasks.

• My typing speed is 70 words per minute, with a high level of accuracy.

• I have experience in entering large volumes of data accurately and efficiently.

• I am detail-oriented and able to meet tight deadlines for data entry proj
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Q1. What are the differences between the MVC and MVVM architectural patterns, and in what scenarios should each be used?
Ans. 
MVC focuses on separating data, presentation, and logic, while MVVM adds a ViewModel layer to enhance data binding and separation of concerns.
• MVC: Model-View-Controller pattern separates data, presentation, and logic. Views directly interact with Models and Controllers.

• MVVM: Model-View-ViewModel pattern adds a ViewModel layer between the View and Model to enhance data binding and separation of concerns.

• MVC is more trad...read more
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Q2. What are the key principles of memory management in iOS app development?
Ans. 
Key principles of memory management in iOS app development include reference counting, autorelease pools, and avoiding retain cycles.
• Use ARC (Automatic Reference Counting) to manage memory automatically

• Avoid retain cycles by using weak references or unowned references

• Use autorelease pools to manage memory for temporary objects
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Q3. What are the differences between classes and structs, and when should each be used?
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Classes are reference types, while structs are value types. Classes are used for complex data structures, inheritance, and reference counting. Structs are used for simple data types and performance optimization.
• Classes are reference types, stored on the heap, and support inheritance and reference counting. Use classes for complex data structures like objects, where identity matters.

• Structs are value types, stored on th...read more
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Q1. What is your knowledge of core animation?
Ans. 
Core Animation is a powerful framework in iOS for creating animations and visual effects.
• Core Animation is a high-performance framework for animating views and graphics on iOS devices.

• It allows for smooth animations, transitions, and effects without compromising performance.

• Core Animation uses layers to manage the visual content of your app, providing hardware-accelerated rendering.

• You can create animations using keyfr...read more
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Q2. How do you integrate and maintain third-party libraries?
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Integrating and maintaining third-party libraries involves adding dependencies, managing versions, and updating as needed.
• Use dependency management tools like CocoaPods or Carthage to easily add and update libraries

• Regularly check for updates and security patches for third-party libraries

• Ensure compatibility with existing codebase by testing thoroughly after integrating new libraries
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Q1. Salary discussions
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Q1. What's the DNS port number
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DNS port number is 53
• DNS port number is 53 for both TCP and UDP protocols

• It is used for DNS queries and responses

• Firewalls and network devices need to allow traffic on port 53 for DNS to function properly
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It contains arthemetic logical and some c languages questions

Q1. Techincal questions based on resume
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Q1. Tell me about yourself
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