A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence inIndirect/Direct Speech.
The operating system manages all the CPU, disc drives, establish a user interface, execute and provide services for applications software, printers, etc...
We know that Kinetic energy is the energy of a moving object and in the same way Electrical energy is the form of kinetic energy caused by moving electric charges called electrons.