Computer - when was mouse used first?
or:Computer - when was mouse used first?or:The trackball, a related pointing device, was invented by Tom Cranston, Fred Longstaff and Kenyon Taylor w
or:Computer - when was mouse used first?
or:The trackball, a related pointing device, was invented by Tom Cranston, Fred Longstaff and Kenyon Taylor working on the Royal Canadian Navy's DATAR project in 1952. It used a standard Canadian five-pin bowling ball. It was not patented, as it was a secret military project. a link to the wiki is http://en.wikipedia.org/wiki/Mouse_(computing) i personaly have contrubuted to this wiki and will stand by its validity.
or:it was first used in 1970
