Friday 21 September 2012

Elements of EDP

There are five basic elements in a processing system which uses a computer for processing data. These are hardware, software, user program, procedure and personnels.
1. HARDWARE

All the physical parts which makes up a computer system called hardware i.e. all the devices or peripherals which performs the data processing operations.
2. SOFTWARE

Software consists of programs and routines whose purpose is to make the computer useable for the user. These software normally supplied by computer manufacturers or software manufacturers.
3. USER PROGRAM

A program consist of a related instructions to perform operations. A data processing job may require a number of programs.
4. PROCEDURE

The operations of data processing system requires procedure for use, in preparing data, for operating the computer and distributing the output after processing.
5. PERSONNELS

E.D.P basically needs three kinds of skilled personnels.
a) System Analyst
b) Progammer
c) Operator
a) SYSTEM ANALYST

System Analyst studies information needs and data processing requirements, design a data processing system and prepare specification.
b) PROGRAMMER


A Programmer writes a programmer on specification by System Analyst.
c) OPERATOR

An Operator is a person who operates the computer system.

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