Input data 

Input is the raw fact or raw material entered into a computer from the input devices it is the collection of letters, numbers, images e.t.c.

What is computer?

What is computer?

Computer is an electronic device that takes raw data as input  from the user  and process these data under the control of set of instruction and gives the result and saves output for the future use it can perform variety of operation like mathematic non mathematic , store the value manipulate the value and and retrieve the value


The term computer is derived from the Latin word “computare” these means to calculate can not do any thing without a program  where a program is a set of instruction given by the user