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افتراضي MIS 201 assignment 2


Management of Information System
Assignment Number 2.

Assignment-2 submission date End of 6th Week
1. Compare and contrast the two major types of networks?
Comparison between LAN (Local Area Netwok) and WAN (Wide AREa Network):
LAN:
1. It covers a small geographical region.Exampleffice,home,schools,college etc.
2. It has high speed which is upto 1000mbps.
3. It is owned ,controlled and managed by single person or organisation.
4. Its maintainance cost is lower than WAN.
WAN:
1. t covers a very large area.
2. It has lesser speed than LAN. i.e upto 150mbps.
3. Example of WAN is Internet.
4. It is not owned by any individual but has distributed ownership.
5. Maintainance cost is higher than LAN.

2. Describe the four categories of ethical issues related to information technology?
PAPA
Privacy, accuracy, property and accessibility, these are the four major issues of information ethics for the information technology.
Privacy: What information about one's self or one's associations must a person reveal to others, under what conditions and with what safeguards? What things can people keep to themselves and not be forced to reveal to others?
Accuracy: Who is responsible for the authenticity, fidelity and accuracy of information? Similarly, who is to be held accountable for errors in information and how is the injured party to be made whole?
Property: Who owns information? What are the just and fair prices for its exchange? Who owns the channels, especially the airways, through which information is transmitted? How should access to this scarce resource be allocated?
Accessibility: What information does a person or an organization have a right or a privilege to obtain, under what conditions and with what safeguards?


3. Explain the six problems that can be minimized using the database approach
• Data Redundancy
• Data Isolation
• Data Inconsistency
• Data Security
• Data Integrity
• Data Independence








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