capabilities and limitations of ICT

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SYSTEMS APPROACH TO SCHOOL MANAGEMENT

by ILLUNI ISLAMIAH

capabilities and limitations of ICT

advantages of ict over manual methods.

the ability to produce different output formats

pictures

graphs

tables

text

speed of data communications

accuracy

speed of searching

data storage capacity

speed of processing

the speed that the data arrives for processing, usually depending on the speed of the input devices.

the speed of communications if the processing is being performed on-line

speed of the processor

repetitive processing

Production of utility bills

Processing of credit card accounts

production of accurate weather forecasts

Processing transactions in e-commerce systems.

producing itemised phone bills

Limitations

maintenence procedures

poor post-implementation procedures

changes in circumstances during development

organisations constantly changing

poor communications with user

speed of implementation

limitations of software

insufficent testing

abilities of the user

compatibility

cost

hardware

Support

factors affecting the efficiency of DP systems

Software

errors and bugs

appropriateness of software

Operating system

avaliability

requirements of applications software

communication

input

the requirements for outputs

gigo

Hardware

RAM

Speed of the processor.