A drum machine is an electronic musical instrument designed to imitate the sound of drums and/or other percussion instruments.
By distributing the clothes as evenly as possible around the inside.
The answer to this question is highly dependant on your drum machine. Usually the answer is yes, some drum machines will have a usb port allowing them connect directly to the computer. If it does not...
Most drum machines play samples, which may be under the copyright of the manufacturer. Prerecorded sample sets are also available on disc.
Yeah there are tons of them, like the Roland MC-303 or the Korg Electribe EM-1 or EMX-1.