A tsunami is not just seawater. It picks up a huge amount of debris which gives it added destructive power. People don't die just from drowning, many are killed by being hit by debris and heavy objects in the surging torrent. A retreating tsunami wave can cause as much damage as the initial forward surge.
In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper. The first computer printer design was a mechanically driven apparatus by Charles Babbage for his difference engine in the 19th century; his mechanical printer design was not built until 2000. The first electronic printer was the EP-101, invented by Japanese company Epson and released in 1968. The first commercial printers generally used mechanisms from electric type
Most people use the term peripheral more loosely to refer to a device external to the computer case. You connect the device to the computer to expand the functionality of the system. For example, consider a printer. Once the printer is connected to a computer, you can print out documents.ay you just bought a new computer and, with excitement, you unpack it and set it all up. The first thing you want to do is print out some photographs of the last family party. So it's time to head back to the store to buy a printer. A printer is known as a peripheral device.