What is a possible hardware upgrade that can be used to add more storage space to a modern smartphone?
- CompactFlash
- USB flash drive
- microSD
- hard disk
Answers Explanation & Hints: Because of the size of cellular phones, a very small storage device such as a microSD card is desirable. CompactFlash is an older form of storage device; it is is too large for a cellular phone but it is widely used in cameras and video recorders because of its large capacity and fast access speed. Similarly, USB flash drives and hard disk drives are too large for a cellular phone.