ELECTRONIC DATA PROCESSING MODES
Data
processing modes describe the ways in which a
computer, under the influence of an operating system, is designed to handle
data or transactions during processing.
The term file organization can also refer to the relationship of the Key of a record to the physical location of that record in the computer file.
A File is a collection of related records (i.e. several records put together) that give a complete set of information about a certain item or a particular business entity.
In individual business units, the transactions are recorded on the source documents, which are taken to the data processing department for processing. Human beings work on source documents mentally or with the aid of some simple manipulation tools.
The quality of Input data is important to the accuracy of output. Control must be instituted as early as possible in the system & everything possible must be done to ensure that data is complete and accurate before being input to the computer.
Data is a collection of facts & figures, which can be processed to produce information.
The activity can be Accounting, Inventory control, etc. Environment can be business, scientific, education,
What is a computer?
In simple terms a computer is a machine that processes data into information, a computer can also be described as an electronic device that saves, transmits and processes data into information using electrical signals. The physical parts of a computer include: Mouse, Keyboard, system unit and screen. COMMON TERMINOLOGIES USED IN COMPUTER
When data is processed into information, the following stages are involved
Computer functions
Data- it simply refers to raw alphanumeric values which have no much meaning to the user. //raw here stands for unprocessed
