Did you forget the picture?
Answer:
The URL is .edu (D)
Explanation:
It is the only answer that shows that the website is reliable.
Answer:
Logical Data Model
Explanation:
An Entity Relationship Diagram (ERD) is a model or a diagram designed to reveal the relationship between various entities such as people, places, objects, and so on within an institution. Entity relationship diagram is also known as Entity relationship model. This model is used to design relational database by various sectors such as education, engineering, business, etc.
<u>ERD is designed using conceptual data model, logical data model, and physical data model</u>.
The visual practice or model that gives more insight into the logical relations among the entity is the logical data model.
The logical data model is used to illustrate more detailed operational and relational data among the entities. It is more detailed than the conceptual data.
So, the correct answer is logical data model.
Answer:
Super Class.
Explanation:
The objects in the sub class or the child class have access to the super class or base class.
for example:-
class vehicle{
public int color;
public int numtyres;
public void type()
{
if(numtyres==2)
{
system.out.println("Two wheeler");
}
else if(numtyres==3)
{
system.out.println("Three wheeler");
}
else
system.out.println("four wheeler");
}
}
class motorvehicle extends vehicle{
public int gears;
public int eng_cap_cc;
}
In the above written classes class motorvehicle has access to the method type of the class vehicle and vehicle is the superclass of motorvehicle.
Answer:
NTFS (New Technology File System) or FAT(File Allocation Table) are used to direct read/write arm of hard drive to where data exists and access it upon user's request
Explanation:
Both NTFS and FAT are used but NTFS is fast and optimal and superseed the FAT and supported by windows NT 3.1 and later versions.