Which unit converts user data into machine readable form?

A device that records images of text or converts printed text into machine-readable form is called a?

scanner

Difference between human readable and machine readable?

Human readable can only be understood by human beings where as Machine readable is in Binary format and could only be understoood by machines. (eg. computers) The only way to understand machine readable is if the data is processed and output into human readable form by means of an output device :)

Is the process of encoding data and information into an unreadable form?

readable form.. but cant predict the data

Which device convert printed document into machine readable form?

ocr

What kind of machine converts chemical energy to electrical energy to electrical energy?

A machine that converts one form of energy into another form is called a transducer.

What is braille printer used for?

a braille printer produces braille printouts of computer files. It works in conjunction software that translates text to braille.It converts a computer file into a BRAILLE DOCUMENT.

How the computer processes data?

It converts the data into bytes, a form which it can easily read

What is an output device that uses a automatic manufacturing process?

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.

What form of energy is in washing machine?

What was the significance of the punch card?

It is the medium by which people communicate with computers in the olden days. Computer programs are written in punched cards, input data are also written in punched cards. There was a special machine called "card reader" to interpret what were in the punched cards and convert them into machine readable form.