Question 2
- Define information processing.
- State four steps involved in information processing.
- Mention three advantages of using computers for information processing.
- Highlight three disadvantages of using computers for information processing.
Observation
(a) Information processing is the process of acquiring/obtaining/collecting/gathering/retrieving, manipulating/handling/analysing, recording/storing and presenting/display/dissemination of information.
OR
Information processing refers to the manipulation of digitized Information by Computers and other digital electronic equipment.
(b) Steps involved in Information processing are:
(i) Collation of Information
(ii) Organization of Information
(iii) Analysis of Information
(iv) Interpretation of Information
(c) Advantages of using Computer for Information processing are:
- Efficiency
- Automation
- Reliability
- Volume/Storage
- High speed
- Accuracy
- Security
- Sharing of Information/Sharing of Resources
- Economical
- Lower overall cost
- Versatility
- Service Improvement
- Easy retrieval
(d) Disadvantages of using Computers for Information processing
- High initial investment cost
- Loss of jobs due to Computerization
- Requires specialized personnel
- Extra cost of retraining of staff
- Virus/Hackers susceptibility
- Face-to-Face Interaction among staff may be reduced
- Prone to unauthorized access
- Overwriting/Loss of Data
- Power dependent
- System failure/ system malfunctioning
Candidates demonstrated good knowledge of information processing in their responses.