MRCP UK EXAMINATIONS

Detailed explanation-1: -Engelbart applied for a patent in 1967 and received it in 1970, for the wooden shell with two metal wheels (computer mouse – U.S. Patent 3, 541, 541), which he had developed with Bill English, his lead engineer, sometime before 1965.

Detailed explanation-2: -Doug Engelbart reportedly conceived the mouse during a conference lecture in 1961. His first design, in 1963, used rolling wheels inspired by mechanical area-measuring devices called planimeters invented in the 1800s. Engineers at Germany’s Telefunken also invented a mouse in the mid-1960s.