Capabilities and Limitations of ICT
Advantages of ICT over manual methods of processing data
Candidates should be able to give an application and explain each of the following:
Factors affecting the efficiency of data processing systems
Candidates should understand the effects of:
Candidates should be able to give an application and explain each of the following:
- repetitive processing
- speed of processing
- data storage capacity
- speed of searching
- accuracy
- speed of data communications
- the ability to produce different output format
Factors affecting the efficiency of data processing systems
Candidates should understand the effects of:
- hardware
- software
- suitability of the operating system
- communication and input (GIGO)
- check digit
- the nature of computer software,
- change in circumstances during development
- speed of implementation
- compatibility
- insufficient testing
- poor communications with the user
- abilities of the user
- poor post-implementation procedures
- maintenance procedures
- cost
- hardware
- support
Resources
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