Answer:
Cache is the fastest and most expensive, RAM is slower and less expensive, and virtual memory is the slowest and least expensive type.
Explanation:
Answer: The correct answer is Mobile device
Explanation:
A Mobile device is any portable equipment that can be easily connected to an internet. Example of mobile devices include; smart phones, palmtop, smart watch and other computer gadgets. The use of touchscreen for input or output on mobile devices can not be overemphasized. Mobile devices are handy and can be used for making work easy. As such, in order to effectively use mobile devices, touchscreen can be primarily used.
Insert Control, I believe.