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Capabilities and limitations of ICT (Limitations of data processing…
Capabilities and limitations of ICT
Factors effecting the efficiency of data processing systems
Hardware
RAM
Processing speed
Software
Appropriateness of software
Errors and bugs
Operating systems
Requirements of app software
Availability
Communication
Consultation
Input
GIGO
Requirements for output
Advantages over manual methods
Repetitive processing
Mail merge
Sending emails
replicating formulas on a spreadsheet
Speed of processing
Depends on the processor
Speed of communication if done online
Speed of data arriving
Data storage capacity
You can store more data on a computer, than you can with physical data
Speed of searching
You can find things easier on a computer than you would with physical data.
It is faster to search on a computer
Accuracy
Less mistakes
You can set certain programmes to limit what you can write
Certain programmes can stop you from writing in certain things, for example in a spreadsheet it can stop you from writing in a cell
Speed of data communications
Emails with atachments
You can type things faster on a keyboard than you would writing them physically
If its a download/ upload then it will be communicated faster with a faster network
The ability to produce different output formats
Spreadsheets can turn data into a graph
Text
Tables
Pictures
Work processing
DTP
Spreadsheets
The ability to search and combine data in many different ways that otherwise be impossible.
for example, you can search for car registrations that start and end with certain things.
Improve security of data and processes
passwords
Backups
Fewer mistakes (less human involvement)
Limitations of data processing systems
Support
Cost
Poor communications with user
Hardware
Software
Compatability
Organisations constantly changing
limitations of software
speed of implementation
insufficient testing
abilities of the user
maintenance procedures
poor post-implementation procedures
changes in circumstances during development