A computer is a device that can be programmed to process data. Computers range in size and capability - from small, cubic millimeter small mini-computer to large, room-sized supercomputer.
The first programmable calculating machine the Z3 was designed by German engineer Konrad Zuse in 1941. The Z3 weighed about a ton. After the development of the microprocessor in the 1970s, size and cost of computers shrank. In 1981 IBM introduced the first personal computer (PC). Since then, the term "computer" usually refers to a portable folding computer (notebook) or box-shaped desktop computer.
The Internet of Things: blessing or curse? That depends on how much you value your privacy against the ability of your fridge to order fresh milk. Either way, we are now more vulnerable to hackers. Here's how.
At the weekend, Russia held parliamentary elections in which President Vladimir Putin's ruling United Russia dominated amid low voter turnout. Putin attributed the victory to Russians rejecting what he called "outside attempts to destabilize Russia" amid elections.Yet western governments say it is Russia that's interfering with the elections...through state sponsored cyber espionage.