10+ Technical Specialist Interview Questions and Answers for Freshers

Siemens 300 PLC is added in Simatic Net card for communication and networking purposes.

• Simatic Net card provides a communication interface for Siemens PLCs

• Siemens 300 PLC is compatible with Simatic Net card for networking

• Simatic Net card allows remote access and monitoring of Siemens 300 PLC

• Siemens 300 PLC can be integrated with other devices using Simatic Net card

Add 1 to each number in an ascending series

• Check if the numbers are in ascending order

• If yes, start with 1 and add it to the first number

• Continue adding subsequent numbers with increasing values of 1

Method overloading is having multiple methods in the same class with the same name but different parameters, while method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.

• Method overloading is resolved at compile time based on the method signature, while method overriding is resolved at runtime based on the object type.

• In method overloading, the return type may or may not be different, but the parameters must be different....read more

I have worked on the Agile software development process.

• Utilized Scrum framework for project management

• Implemented iterative development and continuous feedback loops

• Collaborated closely with cross-functional teams

Abstract classes in Java are classes that cannot be instantiated and may contain abstract methods.

• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Can have both abstract and non-abstract methods

• Used for creating a template for other classes to extend

Outlook can be started in safe mode by holding down the Ctrl key while opening the application.

• Hold down the Ctrl key on your keyboard

• Click on the Outlook shortcut to open the application

• Release the Ctrl key when prompted to start in safe mode

The range of M12 sensors varies depending on the specific sensor and its application.

• The range can be affected by factors such as the type of sensor, the environment it is used in, and the material it is detecting.

• For example, an M12 ultrasonic sensor may have a range of up to 2 meters, while an M12 inductive sensor may have a range of only a few millimeters.

• It is important to consult the specifications of the specific sensor being used to determine its range.

Check power source, battery, connections, and hardware issues to troubleshoot laptop not turning on.

• Check if the power source is working and plugged in properly

• Ensure the battery is charged or try using a different power source

• Inspect connections such as power cable, charger, and power button

• Look for hardware issues like faulty motherboard or power supply

• Try performing a hard reset by removing the battery and holding the power button for 30 seconds

Lambda is a shorthand way of defining anonymous functions in Python.

• Lambda functions are defined using the keyword 'lambda'.

• They can take any number of arguments, but can only have one expression.

• Lambda functions are often used as arguments for higher-order functions.

• Example: lambda x: x**2 defines a function that squares its input.

Interfaces in Java are like blueprints for classes, defining methods that must be implemented by classes that implement the interface.

• Interfaces in Java are used to achieve abstraction and multiple inheritance.

• Interfaces can have abstract methods, default methods, and static methods.

• Classes can implement multiple interfaces but can only extend one class.

• Example: interface Shape { void draw(); }

• Example: class Circle implements Shape { public void draw() { // draw circle } }

Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.

• Data structures are used to manage and manipulate data in computer programs.

• They can be implemented using arrays, linked lists, trees, graphs, and other techniques.

• Examples of data structures include stacks, queues, hash tables, and binary search trees.

• Choosing the right data structure for a particular problem can greatly improve the efficiency of a program.

Tulip is a library for asynchronous programming in Python.

• Tulip provides a set of high-level APIs for writing concurrent code using coroutines and futures.

• It is included in Python 3.4 and later versions as the asyncio module.

• Tulip allows for efficient and scalable I/O operations, making it useful for network programming.

• Example: Using the asyncio module to create a simple HTTP server that handles multiple requests concurrently.

There are four types of OOPs: Encapsulation, Inheritance, Polymorphism, and Abstraction.

• Encapsulation: Hiding the implementation details of an object from the outside world.

• Inheritance: Creating a new class from an existing class, inheriting all the properties and methods of the parent class.

• Polymorphism: The ability of an object to take on many forms. It allows objects of different classes to be treated as if they were objects of the same class.

• Abstraction: The process of hi...read more

Encoder converts data into a coded format while decoder decodes it back to its original form.

• Encoder is used to convert data into a coded format while decoder is used to decode it back to its original form.

• Encoder is used in communication systems to transmit data while decoder is used to receive and interpret the transmitted data.

• Examples of encoders include binary encoders, priority encoders, and quadrature encoders while examples of decoders include binary decoders and prio...read more

C++ is an extension of C with object-oriented programming features.

• C++ supports classes and objects while C does not.

• C++ has better support for function overloading and templates.

• C++ has a standard library that includes many useful functions.

• C++ allows for both procedural and object-oriented programming.

• C++ is generally considered to be more complex than C.