The appropriate answer is C ! all other are very limited but labour can be increased or decreased according to our will and it doesn't exhaust !
Manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
Answer:
Q=It
and
p=IV
Given, v=9V P= 7W
I=P/V
I =7/9
Also, time(t) from 9am to 12pm is 3hrs
Converting into sec =3×3600
t=10800
Q= 7/9 ×10800
Q =8400C
i am sup by the way. so im guessing i win?
The first thing you will have to do is install it and then install windows through the bios