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.
Toshiba builds all kinds of things that have to do with electricty. Whether it's entertainment electronics or washing machines, elevators, computer chips... all the way up to entire energy systems for communities and power plants. And power plants have become its undoing.
Scientists in the US are angry as to what they perceive to be President Donald Trump’s war on science. They’re taking it to social media, traditional outlets and even the streets. But, how will Trump’s war on science affect grassroots research? We are talking about that with Jen Golbeck, a computer science professor at the University of Maryland and creator of the Freedom of Science Network.
A stronger economy made computers popular even among poor Indians. That threatens the jobs of typists all over Delhi. For decades, they have been typing love letters and filled out government forms. Now they have a hard time keeping the old machines going. An entire business is about to become history.
The British professor of physics at Princeton University won the Nobel Prize in Physics last year. But as he tells DW, he's far more interested in the future of quantum mechanics and how it will shape our world.
German Defense Minister Ursula von der Leyen has pledged 4.2 million euros to help in the fight against Boko Haram militants. But her West African tour stalled on Sunday after her airplane experienced computer problems.