Conversion of Manual to Computer based system
CONVERSION OF MANUAL TO COMPUTER BASED SYSTEM
Description also available in video format (attached
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Introduction
·
A manual system does not rely on computers,
the information is stored in files in paper form
·
Manual data processing utilizes the non
technological tools which shall includes
o
Paper
o
Writing
o
Physical filling Cabinet for storage
·
The end to end process is facilitated by
humans without any support of computer system
·
On the other hand, In computer based system
the data is retrieved & stored in computer based programs, Excel sheet etc
·
A computer based system uses computers to
collect, sort, analyse, distribute & stored the information for the
business objectives
·
The main components of computer based system
includes
o
Hardware
o
Software
o
Data
o
Procedures
o
& People
Difference
b/w Manual & Computer Based System
|
HEADS |
MANUAL |
COMPUTER BASED |
|
Cost |
Cheaper |
Costly |
|
Speed |
Slower |
Faster |
|
Backup |
At risk |
Safe |
|
Accuracy |
Less |
High |
|
Ease of Distribution |
Difficult |
Easy |
|
Alteration |
Required more timing |
Easy to alter |
MANAGEMENT
PLANNING FOR COMPUTERIZATION
·
Phases of Computerization
o
Computer is used only for the transaction
processing (stock, records, bills etc)
o
Traditional operating system are improved
upon (cost accounting, budgetary control, sales forecasting etc)
o
Systems are designed to affect decision
making styles of the manager (project planning, budgetary control, operation research
etc)
o
Advance areas are applied, like policy &
strategy decision
·
Characteristics of Computerization
o
Introduction of computerization is a major
investment decision
o
Computerization requires capital for
maintenance
o
It is a key tool in decision making
o
It delivers output at the click of a button
·
Stages of Computerization
o
Feasibility study
o
Selection of computer infrastructure
o
Resource preparation
o
System design & programming
o
Installation
o
Operation, maintenance, evolution &
review
·
Steps to Convert Manual to Computer Based Information
System
o
System description
o
Input documents
o
Output documents
o
File design
o
Program logic details
o
Computer program
o
System verification
o
Documentation
·
Methods of Converting Manual to Computer Based
Information System
o
Parallel Conversion
o
Phased Conversion
o
Pilot Conversion
o
Direct Conversion
Video
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