Data processing deals with how data is organized & processed in the computer.
Data is a collection of facts & figures, which can be processed to produce information.
Data are the facts relating to an activity in a given environmen
REASONS FOR CHANGING FROM MANUAL TO MECHANICAL AND
The following are the factors, which may necessitate the change from Manual to Mechanical or
to Electronic data processing method:
(i). Operation Speed.
The timing aspect of informatio
METHODS OF DATA COLLECTION.
The following are alternatives that can be used to collect data:
(i). Use of Data Capture devices such as Scanners, Kimball Tags, Point-of-Sale systems, Barcode readers & Magnetic strip readers.
TYPES OF ERRORS IN DATA PROCESSI
METHODS OF DATA PROCESSING.
In Manual systems, the data processing activities are carried out manually by the human
Clerks assisted by some calculating tools such as Slide rule, Logarithms, etc.
In individual business units, the transa
STAGES IN DATA COLLECTION.
The process of data collection may involve any number of the following stages depending on the
1. Data Creation.
This involves 2 basic alternatives:
(a). Source documents.
Source document is the original document u
DATA PROCESSING CYCLE.
Data processing cycle refers to the various stages involved in converting data into information.
Basic stages in the Data processing cycle.
There are 5 primary elements/functions of data processing system. They include; Input,