Final answer:
The components that must be part of the internal workings of a tablet computer are CPU, RAM and ROM memory, and expansion slots. Hence the correct answer is option 2
Step-by-step explanation:
The correct answer is option 2) CPU, RAM and ROM memory, expansion slots.
A tablet computer is a portable device that incorporates a variety of components to function properly. The CPU, or Central Processing Unit, is the brain of the tablet and is responsible for executing instructions and managing data. RAM and ROM memory are used to store and retrieve data, and expansion slots allow for the addition of external components such as memory cards or network adapters.