<span>When you develop an application using a 3-layer architecture, the layer that provides the user interface is called the Presentation layer?</span>
Answer:
The answer to this question can be given as "The show desktop icon".
Explanation:
To minimize all open windows we use to click on the Show Desktop icon. When we click on this desktop icon it automatically minimize all the open windows that are open on the computer screen. And all the option are not correct that can be described as:
The Start menu is part of the Microsoft windows. Start menu offers a central launching point for system programs and executing other tasks.
The system tray is part of the Window. It is on the Taskbar. It contains miniature icons for easy access to system functions.
That's why the correct answer is "The show desktop icon".
Answer:
A generalized class used only to create related derived classes
Explanation:
An abstract class is a class which cannot be instantiated on its own. It is defined using an abstract keyword. However, an abstract class can be inherited from and the derived class can actually be instantiated. For example:
abstract class A{
}
class B extends A{
void test(){
}
}
Here class A is an abstract class, while class B inherits from A. Now we can create an instance of class B as follows:
B b = new B();
b.test();
Is this java or python pls explain or else i can’t answer
The answer is False.
The first computer was not developed to spy on communist by the government. The first computer was announced in 1946, the ENIAC (Electronic Numerical Integrator and Computer). It was built for general purposes like solving large mathematical problems. The US Army designed the computer to calculate the artillery firing tables.
