BATCH processing is.. 

A processing performed all at once on data that have been collected over time.

In a batch processing group of transactions collected over a period of time is collected, entered, processed and then the batch results are produced. 

Batch processing requires seperate programs for input, process and output. 

Batch processing..

(Batch Credit Cards)

It is an efficient way of processing high volume of data.
For example: Payroll system, Examination system and billing system.

But, instead of that...

I'm showing you about this..

Meanwhile,

REAL-TIME processing is..

online processing, resulting when data is processed at the same time a transaction occurs.

In a real time processing, there is a continual input, process and output of data.

Data has to be processed in a small stipulated time period (real time), otherwise it will create problems for the system.
For example: assembly the traffic lights.