Question

compare the input and output devices of old age and modern age​

Answer 1

Explanation:

old

Mechanical MouseEdit.

Optical MouseEdit.

TrackballEdit.

Touchpad/Pointing StickEdit.

Touch ScreenEdit.

StylusEdit.

Light PenEdit.

DigitizerEdit.

new Examples of Input devices:

Keyboard.

Mouse.

Light Pen.

Optical/magnetic Scanner.

Touch Screen.

Microphone for voice as input.

Track Ball.

Joystick.

Perhaps the first input device was the simple electronic switch ( similar to a light switch ) which turned bits on or off. There were hundreds or even thousands of these switches on larger computers.