In 1968, Douglas C. Engelbart invented the computer mouse, made out of __________ and used with a companion keyboard.
A) wood
B) plastic
C) copper
D) tin

Name: In 1968, Douglas C. Engelbart invented the computer mouse, made out of __________ and used with a companion keyboard. A) wood B) plastic C) copper D) tin
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The original computer mouse invented by Douglas C. Engelbart in 1968 was made out of wood.