2(a) Define information processing
2(b) State four steps involved in information processing
2(c) Mention three advantages of using computers for information processing
2(d) Highlight three disadvantages of using computers for information processing.
2(a) It is the process of acquiring/obtaining/collecting/gathering/retrieving, manipulating/handling/analyzing, presenting/displaying/disseminating information.
2(b)
- collation of information
- organization of information
- analysis of information
- interpretation of information
2(c)
- Efficiency
- Automation
- Reliability
- Volume/storage
- High speed
- Accuracy
- Security
- Sharing of information
- Economical
- Lower overall cost
2(d)
- High initial investment cost
- Loss of a job due to computerization
- Required specialized personnel
- Extra cost of retraining staff
- Virus/hackers susceptibility
- Face-to-face interaction among staff may be reduced
- Prone to unauthorized access
- Power dependent
- Overwriting/loss of data
- System failure/system malfunctioning
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