Tellis Call Cente Interview Questions and Answers

Yes, I have experience in multithreading.

• Implemented multithreading in Java to improve performance of a web application

• Used pthreads in C to create parallel processing for a data processing application

• Utilized Python's threading module to handle concurrent tasks in a server application

Mutex is a synchronization mechanism used to control access to shared resources, while atomic variables ensure atomicity in operations.

• Mutex is used to prevent multiple threads from accessing shared resources simultaneously

• Atomic variables ensure that operations on the variable are indivisible and not interrupted by other threads

• Mutexes are typically used in multithreaded programming to avoid race conditions

• Atomic variables are often used for simple operations like incrementi...read more

MFC (Microsoft Foundation Class) application is a framework for building Windows-based applications using C++.

• MFC provides classes for GUI components like windows, controls, and dialogs.

• It simplifies the process of creating Windows applications by providing pre-built classes and functions.

• MFC applications are typically developed using Visual Studio.

• Examples of MFC applications include Microsoft Word and Visual Studio itself.

TCP is connection-oriented, reliable, and slower, while UDP is connectionless, unreliable, and faster.

• TCP is connection-oriented, meaning a connection is established before data transfer.

• TCP is reliable, as it ensures all data packets are received in order and without errors.

• TCP is slower than UDP due to the overhead of error-checking and retransmission.

• UDP is connectionless, meaning data can be sent without establishing a connection.

• UDP is unreliable, as it does not guarante...read more

Methods in Java are blocks of code that perform a specific task. They are defined within a class and can be called to execute the code.

• Methods are defined using the 'method' keyword followed by the return type, method name, and parameters.

• Methods can have access modifiers like public, private, protected, or default.

• Methods can return a value using the 'return' keyword.

• Methods can be called by using the method name followed by parentheses containing any required arguments.

• Exam...read more