The answer is a Scanning Electron Microscope
It is important to obtain and prepare proper samples when using SEM. The sample’s size, state, and shape are things that should be considered before the sample preparation. Some samples need to be coated. Most metals require no preparation since they can easily conduct electricity. Non-metals, however, needs to be coated with a thin layer of gold. Gold is the ideal non-metal and works most of the times.
<u>Explanation:</u>
Remember, an algorithm in simple words means a set of instructions or steps to be followed in other to solve a problem.
Note, to decide which commute is cheaper, it means the output of the algorithm should be the cheaper way to commute.
Using pseudocode do the following;
- determine the inputs and outputs of the problem
- arrange the identified problem into micro-tasks
- describe each micro-tasks in the pseudocode
- Test the pseudocode by solving the problem.
My early test cases were greatly aided by the user stories. They gave a thorough summary of what a user can expect from the product as well as data on their past expectations and experiences.
Explanation:
The intricacies of the user's surroundings and the exact technological needs for the product, however, were absent from the user stories.
Greetings, Software Developers!
I'm trying to create more in-depth test cases for my job as a quality test for the online travel software. To do this, I'd like to learn more about the environment of the user and the software's technical requirements. Please give me more details about the technical specs and the user environment.
I'm grateful.
[Name]
To know more about testing
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Answer:
(c) the dynamic type of reference will determine which of the methods to call.
Explanation:
Polymorphism in Object Oriented Programming typically means the same method name can cause different actions depending on which object it is invoked on. Polymorphism allows for dynamic binding in that method invocation is not bound to the method definition until the program executes.
So in the case of Animal superclass and Mammal subclass, both having a method called eat() with identical signatures and return types, depending on which reference, the correct method eat() will be called dynamically upon execution.
For example, if we have the following;
================================
<em>Mammal mammal = new Animal();</em>
<em>mammal.eat()</em>
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The eat() method that will be called is the one in the Mammal subclass.
However, if we have;
================================
<em>Animal animal = new Animal();</em>
<em>animal.eat()</em>
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The eat() method of the Animal superclass will be called.
Its a monitor otherwise the screen on a computer
