The four main components are main memory, arithmetic and logic unit, control unit, and input/output (I/O). :)
This is about identifiers in a record referring to other records.
You can have many to one, one to one, many to many.
E.g., if you have two tables, Authors and Books, then a book record could have a reference to an author record. Since an author can write many books, this would be a many-to-one relationship.
If it is on the desktop screen you just right click on the icon and select delete. from there if you're on a windows computer it goes to your recycle bin then you right click the recycle bin and a little rectangle pops up an in that rectangle it says clear recycle bin and once you press that all of the stuff that was in there is deleted. now if your on a computer that has chrome os installed you just go to the files screen and right click what you want to delete and click delete and it's gone.
Viable and true. hope this helps!
data declaration means a variable which contain data value and it can be declared as integer, float, character, double, boolean (data types).
example:
int r;
char name;
float g;
double k= 23.34;
