Answer:
A. RAM
Explanation:
RAM (Random Access Memory) is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor.
Answer:
It's the <u><em>power supply</em></u>
Explanation:
The power supply is what essentially enables the computer to operate. It is able to do that by converting the incoming alternating current (AC) to direct current (DC) at the correct wattage rating that is required by the computer to function. The power supply is a metal box that is generally placed in the corner of the case.
When an important file is saved on two different computers, the name of the file that is housed on the second computer is 'back up'. Back up refers to the process of copying and archiving a particular computer data in order to have an extra copy to fall back on in the event of data loss. <span />