CS507 Final Term Subjective 2011

Rana Abubakar Khan

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CS507_subjective_2011 (solved)

Q1. Define entity in flow diagram (2 marks)

Entity Represents sources of data received by the system or destinations of the data produced by the system. E.g. Customers, suppliers, purchase department

If the entity is repeated in the DFD, the same symbol with the addition of a bar in the left hand corner is used and looks like.

Q2. What are functions of connectors in DFD (3 marks)

1. If the flowchart becomes complex, it is better to use connector symbols to reduce the number of flow lines.

2. Avoid the intersection of flow lines if you want to make it more effective and better way of communication.

A connector

Q3. How risks can be measured (3 marks)

There are two keys to good risk assessment. The first is better quality and more timely information about the risks as they evolve, so that the element of surprise is reduced.

The second is tools such as risk-adjusted discount rates, simulations, scenario analysis, and VaR to convert the raw data into risk measures.

Q4. Differentiate CRM and KIA (5 marks)

MKIS is a type of Information System that helps the firm to achieve following objectives:

1. Identification of customers for firm‘s products and services.
2. Development of those products and services to meet customers’ needs
3. Promotion of the products and services, and
4. Provision of after sale customer support

CRM

1. Maintains and enhances customer base
2. Encourages customer loyalty
3. Gaining more customers’ wallet-share
4. The more effective a company's customer retention and defection management strategy, the less they need to plug the gap with new customers, who are expensive to recruit.
5. CRM help in establishing communication to encourage customers to share information about their

Q5. Risk based audit approach (5 marks)

Risk Based Audit

Approach

This approach to audit proceeds with following steps

1. Understanding the business process
2. Understanding the control structure built in the system
3. Understanding of inherent risks (risks which are covered through instituting) controls, which can occur in the absence of controls e.g. Political legal factors affecting the business, Nature of industry the organization exists
4. Risk assessment
5. Categorization of risks identified