The input machine which originated in the United States around 1880s is ?
AMouse
BKeyboard
CJoystick
DBarcode reader
Answer:
B. Keyboard
Read Explanation:
A keyboard is an input device which originated in the 1880s and is used to give instructions to the computer in the form of letters and numbers. Mouse is used for the selection of various objects on the screen, joystick is mainly used for gaming purpose and bar code readers are used for reading the bar-codes.
