INPUT DEVICE AND OUTPUT DEVICE:

there are two types of prepherical  devices, input devices and output devices.

Input devices: input  means something which is given to computer.

output means, something which gives computer us.

INPUT DEVICES:

input devices are those devices, which gives some data and information for computer.

input devices are, mouse, keyboard, etc.

OUTPUT DEVICES:

output is defined as , the computer or any electronic devices which gives some result on the basis of giving some input , data or information. 

 output devices are, printer, USB, speaker etc.

RELATIONSHIP BETWEEN INPUT DEVICES AND OUTPUT DEVICES:

 there is a great relationship between output devices and input devices. 

an example is a human body and soul. without soul our body is just like a death body. and without body soul is nothing.

EQUALITY:

THE input and output both are used equally in a system. each  input has an output.

IMPROMENT:

 we are able to improve an input and output devices performance and accountability. it demands us more struggle and hard work.