Role of systems analyst, attributes of system analyst, tools used in system analysis

By -

Role of systems analyst, attributes of system analyst, tools used in system analysis

ROLE OF SYSTEMS ANALYST

image_003

The following are roles of systems analyst:

1. Defining Requirements: Involves Interviewing Users

2. Prioritizing Requirements: Obtain Users Consensus

3. Fact Gathering: Data, Facts and opinions of Managers are gathered, Lower level Users should also be consulted

4. Analysis and evaluation -Arrive at appropriate system

5. Solving problems: Hazy requirements converted into specific requirements, suggest many alternative solutions, and quantify cost and benefits

6. Drawing up specifications: Draw up specifications which are understood by users and programmers, which are accepted by users and which are precise and detailed.

7. System design: Logical design of system is implemented and the design must be modular

8. Evaluating Systems: Evaluate the system after it has been used for sometime, Plan the periodicity for evaluation and modify the system as needed

ATTRIBUTES OF A SYSTEMS ANALYST

Knowledge of organisation Knowledge of computers and software Good interpersonal relations Ability to communicate Analytical mind Breadth of knowledge

TOOLS USED BY SYSTEMS ANALYST

• Data Flow Diagram

• Decision Tables

• Modeling Language such as UML

• Normalization of Databases

• Testing tools

• ISO/CMM procedure manuals

REFERENCES

Most of the material in the module is adapted from Chapter 3 of Analysis and Design of Information Systems by V.Rajaraman published by Prentice Hall of India 2002 with permission from publisher.

1. Information Systems Today by L.Jessup and J.Valacich. Topics in this module treated from a slightly different perspective in Chapter 8, pp.240 to 256.

2. K.E.Kendall and J.E.Kendall, Systems Analysis and Design, Pearson Education Asia, Indian Reprint 2002. pp.16-17 have a very brief treatment of Systems Analysists’ role and Systems Development life cycle.

3. Modern Systems Analysis and Design by J.E.Hoffer, J.F.George and J.Valacich treat life cycle in pp.18-25. Role of various stake holders in systems development is covered in pp.11 to 15.

4. Information Systems, S.Alter, Pearson Education Asia 2000 looks at life cycle from a different perspective on pp. 4 to 16.

Comments

Post a Comment

Popular posts from this blog

WORKED EXAMPLES ON PROCESS SPECIFICATION.

By -
Image
PROCESS SPECIFICATION WORKED EXAMPLES 6.1 A bank has the following policy on deposits: On deposits of Rs. 5000 and above and for three years or above the interest is 12%. On the same deposit for a period less than 3 years it is 10%. On deposits below Rs. 5000 the interest is 8% regardless of the period of deposit. Write the above process using (i) Structured English (ii) A decision table 6.2 An organization maintains an employee file in which each record has following data: { Employee No., employee name, employee gross pay}. It has been decided to increase the pay as per the following formula: For pay of Rs. 1000 or less increase 15%. For pay of more than Rs. 1000 but up to Rs. 2500 increase 10%. For pay over Rs. 2500 increase 5%. (i) Writ e a structured English processing rule corresponding to the above policies. (ii) Express the policies as a decision table. (i) While employee records left in file do Read Number, name , gross pay 6.3 An offshore gas company bills it
Read more

Why do we need information systems, management structure, requirements of information at different levels of management.

By -
Image
Why do we need information systems, management structure, requirements of information at different levels of management NEED FOR INFORMATION SYSTEMS Information systems are needed when timely processing for fast action is needed, same data has to be processed in different ways and when organizations require innovative processing. MANAGEMENT STRUCTURE Functional areas of management are as follows: •PRODUCTION • MARKETING • MATERIALS – purchase, stores • FINANCE –Accounts • HUMAN RESOURCE DEVELOPMENT(HRD) • RESEARCH AND DEVELOPMENT (R&D) INFORMATION FOR MANAGEMENT A Production Management The following type of information is needed in production management: Strategic Information: 1)Yearly and monthly production quotas and alternate schedules 2)Policies on machine replacement, augmentation and modernization. 3)Identifying best product mix. Tactical Information 1)Identifying and controlling areas of high cost. 2) Identifying critical bottlenecks in production. 3)
Read more

The User Interface:Establishing User Interfaces

By -
Image
The User Interface Establishing User Interfaces The success factors in analysis start with the established interfaces from day one. What does this mean? You must start the process by meeting with the right people in the organization. In the best projects, the process is as follows: 1. Executive interface: There needs to be an executive-level supporter of the project. Without such a supporter, you risk not being able to keep the project on schedule. Most important, you need a supporter for the political issues that you may need to handle during the project (discussed in detail later). The executive supporter, sometimes known as a sponsor (JAD reference), should provide a preliminary schedule advising the organization of what is expected and the objectives of the project. The executive supporter should attach a letter to the preliminary schedule and send it to the project team members. The letter must put the importance of the project into perspective. Therefore, it is strongly rec
Read more