Characteristics of bad systems
To be useful, the information system must possess the characteristic of reliability, relevance, understandability, complete, accurate and comparability. However, in order for Encik Khalid to detect problems occur with the current or new system are based on the characteristics of bad system which are unreliable, irrelevance, not understandable, incomplete, inaccurate, and incomparable.
The first characteristic is unreliable. Encik Khalid may detect the bad characteristic if the system is unreliable. This can be seen when the information received is bias, corrupted and does not represent what it seek to be represent. If Encik Khalid did not believe and depend on the information given by the system, thus, the system is also representing a bad system. To ensure that the information is reliable, it must be verifiable, neutral, and faithful in representing the economic condition.
The second character is irrelevant. The system is a bad system when the information cannot influence the decision to be made. If Encik Khalid made a decision without referring to the information gathered from the system, then the system is not relevant. The system also does not considered as relevant if the information is not available in time and does not help in prediction and feedback.
Next is not understandable. It occurs when the content from the system is hard to understand by the user of the system. The qualities that distinguish between good and bad communication in a message are fundamental to the understandability of the message. Communication will happen when the message is interpreted by the receiver of the message in the same way the sender sent. Therefore, Encik Khalid found it hard to interpret or wrongly interpret the message received by the system, it makes the system is difficult to understand.
The system is considered as a bad system when it is incomparable. The quality of the system is based on the information that enables the