Computers are useful, but not powerful because they depend on the human intelligence to perform some tasks.
powerfully, powerfulest
Talking biologically or technologically? MOST POWERFUL: Biologically, our brains are the most powerful "computer" in the world. It is highly developed and advanced. Technologically, there isn't a certain "most powerful" computer/laptop in the world. Companies like Dell, HP, or etc. are always coming out with new technology, so, who knows? LEAST POWERFUL: The least powerful? Well, probably the first computers every invented. At the time, they were considered powerful and useful, but now, since technology has improved so much, they are now considered useless. As for the most widely used type of computer...GOOGLE the statistics of the use of different types of computers.
WOPR Computer
Computer networks are useful for a variety of reasons. They are useful for file sharing, printer sharing, remote access, communication sharing, and organization.
Computer architecture is not useful for the people whose use the computer for general purposes. Mostly, computer architecture helps those people who are in the manufacturing/development sector.
Supercomputer
they were as big as a cafeteria and as powerful as a pocket computer.
The most powerful (thus fastest) super-computer in the world is in Japan. Its name is the "Computer K." While the most powerful super-computer in the US is the Jaguar Super-Computer and is located in California.
England wanted to be more powerful
It means a computer with Powerful Vdeo and Gaming Capabilities. (A Computer That Operates at More Than 12000231 Mhz.) or in your case, a computer built for media. -Razgriz
Real simple: Go on the internet and find the most powerful, baddest, highest performance computer you can. Computer nerds dream of having a computer twice that powerful.