Although the tablet computer looks different from the desktop and laptop, it largely contains the same internal components that allow it to work. However, some of the components inside of a tablet computer may be difficult to identify because of their miniaturization. Which of the following lists is composed of components that must be part of the internal workings of the tablet computer?
1. RAM and ROM memory, USB port, hard drive.
2. CPU, hard drive, memory, power source.
3. CPU, RAM and ROM memory, expansion slots.