Two:
<span>Hiding the complexities of hardware from the user.
Managing between the hardware's resources which include the processors, memory, data storage and I/O devices.
Handling "interrupts" generated by the I/O controllers.
<span>Sharing of I/O between many programs using the CPU.
Three:
</span></span><span>Desktops
icons
menus
windows.</span><span>
Seven:
</span><span>The convention is that ellipses following a menu item usually means that the menu item will open a dialog box with further choices, rather than immediately carrying out an action.
</span>
Eight:
Organize Your Files
Nine:
Use the save as Command
name the File
Ten:
Open the file you want to delete
Select the file you want to delete
select Delete from the file menu
Confirm the deletion
Hope this helps
A. Hypothesis can be tested and proven.
Answer:
<em>Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. The earliest roots of science can be traced to Ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.</em>
Explanation:
<em>"</em><em>serverPc </em><em>izz </em><em>serverPc</em>
<em>Desktop</em><em> </em><em>Pc</em><em> izz</em><em> </em><em>Desktop</em><em> </em><em>Pc"</em>
Answer: Both have a center for knowledge; motherboard and brain. Both have a way of translating messages to an action. Both have a way of creating and sending messages to different parts of the system.
Program p1;
var a,b,c,d : integer; {i presume you give integer numbers for the values of a, b, c }
x1, x2 : real;
begin
write('a='); readln(a);
write('b='); readln(b);
write('c=');readln(c);
d:=b*b - 4*a*c
if a=0 then x1=x2= - c/b
else
if d>0 then begin
x1:=(-b+sqrt(d)) / (2*a);
x2:=(-b - sqrt(d))/(2*a);
end;
else if d=0 then x1=x2= - b /(2*a)
else write ("no specific solution because d<0");
writeln('x1=', x1);
writeln('x2=',x2);
readln;
end.
