Mobile devices are typically handheld computers. They have many variants based on their characteristics such as physical dimension, hardware and software capability, what are they meant for, etc.
Take a look at the following table. It differentiates tablets, e-book readers, and smartphones based on their characteristics.
|What it is||Tablets are portable computer devices. Unlike traditional computers, they don’t have keyboards or mouse, however the entire screen is touch sensitive.||E-book readers—also called e-readers—are similar to tablet computers, except they are mainly designed for reading e-books (digital, downloadable books).||A smartphone is a powerful mobile phone that is designed to run a variety of applications in addition to providing phone service.|
|Used for||Almost all the jobs which we can do with traditional computers or desktops.||Reading e-books||Web browsing, watching videos, reading e-books, and playing games|
|Example||Samsung Tablets||Amazon Kindle, Barnes & Noble Nook.||Sony smartphones, Samsung smartphones, Apple iPhone.|