If the requirement is to erase all the data from the hard disk drive on the Mac, then it's best to use a tool known as the Disk Utility. This will delete all the files and volumes on the hard drive. The Disk Utility offers four options:
1. Don't erase data2, Zero out Data3. 7-Pass Erase4. 35-Pass Erase
On the other hand, if the requirement is to delete individual files, then the best thing to do is to highlight the file you want to delete, right-click on it and "Move to trash".
Answer:
Both. Society creates needs, these needs have to be met. Innovative people then meet the challenge because society says “we’ll compensate you if you can figure this out” and so the race begins. When that technology is developed, and the need is met, the technology inspires society to develop new wants and needs and so the cycle begins anew. Consider the biggest technologies in Human history: The wheel, created ancient civilization because it allowed for transport; The clock and calendar, allowing societies to develop schedules for all of their activities; Writing, allowing information to be passed down accurately from generation to generation; Farming, eliminating the need for civilization to be nomadic; Education systems, allowing for the standards of professionalism to be raised and specialized people to be created; fast-forward to the Industrial Age with the Steam Engine and Coal power plant; fast-forward again to the development of flight; fast-forward again to the atomic bomb and the first computer; etc.
Explanation:
It is just a declaration of an object variable, <em>person</em>, in JavaScript. Within a <em>person</em> object, there are key:value pairs. The code that you shared has the following keys: name, age, and favouriteFood, whereas the values of those keys are: Mike, 25, and pizza.
There is <em>no</em> alert statement in this code snippet; therefore, it <em>will not alert </em>anything. This code contains only a variable called <em>person, </em>and that's it!
Answer:
Web 2.0
Explanation:
The term that is being defined here is known as Web 2.0. As mentioned in the question this term refers to any and all social platform websites that emphasize user-generated content, ease of use, participatory culture, and interoperability for end users. Some examples of Web 2.0 features would be social media sites like FB, blogs, wikis, video sharing sites, image sharing sites, etc.
Answer:
B. Methods and occasionally final attributes
Explanation:
In Computer programming, class members can be defined as the members of a class that typically represents or indicates the behavior and data contained in a class.
Basically, the members of a class are declared in a class, as well as all classes in its inheritance hierarchy except for destructors and constructors.
In a class, member variables are mainly known as its attributes while its member function are seldomly referred to as its methods or behaviors.
One of the main benefits and importance of using classes is that classes helps to protect and safely guard their member variables and methods by controlling access from other objects.
Therefore, the class members which should be declared as public are methods and occasionally final attributes because a public access modifier can be accessed from anywhere such as within the current or external assembly, as there are no restrictions on its access.
