Douglas Engelbart did not invent the mainframe computer.
In 1963 Douglas Engelbart invented the computer mouse. bby s wesome
Douglas Engelbart
Dr. John V. Atanasoff and his assistant Clifford Berry built the first electronic digital computer. It was called the Atanasoff-Berry-Computer (ABC)
Douglas Engelbart
Douglas Engelbart
Douglas Engelbart's birth name is Douglas Carl Engelbart.
Douglas Engelbart, an American inventor.
It was "INVENTED"(not discovered) by Douglas Engelbart.
Douglas Engelbart
mousechording keyboardvarious other computer interface devices that were also dismissed as useless
Douglas engelbart invented the computer mouse/pointing device.
He was the Inventor of the Computer Mouse