Answer:
A hard drive
Explanation:
Since tablets and phones are compact, they are better off not having a big, giant, bulky storage device like hard drives. Modern computing made hard drives less important by developing Solid-State Drives (SSDs) and extremely dense (512 bit) storage that can provide the same if not more storage than a traditional hard drive at the fraction of the size.
Answer:
Sum = 3
Sum = 9
Sum = 18
Sum = 30
Look at the image for more information.