A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone. The mobile phone can be used to communicate over long distances without wires. ... Now, more people are using smartphones than the old kind of mobile phone, which are called feature phones.
A personal computer is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or technician.