December 2018
Beginner
208 pages
5h 45m
English
Modern smartphones are amazing pieces of equipment. More powerful than a 1990s supercomputer, they are small, convenient, energy-efficient, and come with built-in peripherals like touch screens, motion sensors, global positioning system (GPS), cameras, and of course, cellular connectivity. Perhaps most remarkable is their energy efficiency, which permits them to send and receive messages, watch movies, and talk on the phone for hours, all on a single charge. Modern smartphones and their larger cousins, tablets, are so successful that many users have dispensed with personal computers altogether, doing all their computing on their phones.
Delivering the power of a personal computer to an object in your pocket has ...