Answer:
c. graphical user interface
Explanation:
An operating system may be defined as the system software which manages the various computer hardware, resources, software and also provides other computer services. It communicates the user with the computer and the computer runs according to the instruction provided by the operating system. It is commonly known as the OS.
Operating system does not provide any graphical user interface. It consists of necessary components of the software to facilitate the usage or running of the computer.
Answer:
create trigger F1_Del
after delete on Friend
for each row
when exists (select * from Friend
where ID1 = Old.ID2 and ID2 = Old.ID1)
begin
delete from Friend
where (ID1 = Old.ID2 and ID2 = Old.ID1);
end
create trigger F1_Insert
after insert on Friend
for each row
when not exists (select * from Friend
where ID1 = New.ID2 and ID2 = New.ID1)
begin
insert into Friend values (New.ID2, New.ID1);
end
Your answer is false
Because adding a space in a file name corrupts the file name created for that file so if you were to add a space that would ruin it
