Acquiring Information Systems & Applications Part II

Acquiring Information Systems is very important for a company for explaining the concept of the development of information systems and Illustrates various applications of information systems in the business

Points in acquiring information system is

1. Planning for and justifying IT Applications.
2. Strategies for Acquiring IT Applications.
3. The Traditional System, s Development Life Cycle
4. Alternative Methods and Tools for Systems Development.
5. Vendor and Software Selection

The following explanation of these points

Strategies for Acquiring IT Applications

Once a company justify the investment in information technology, it should be decided on how to get it. The company must make business decisions, are as follows:

How many computer code to be generated?
How does the company pay for the application?
Where the company will launch the application?
Where the application is coming from?

• Purchase a Prewritten Application

More commercial software package consisting of standard features required by the application of information technology. Thus, buying an existing package, can be a cost-saving option and save time, than if you had to build a custom application in-house. However, companies also need to be carefully select and plan the option to buy in order to ensure that the package has been necessary for the company at this time, as well as for future needs. If not, then the application will expire quickly.

Advantage of "Buy" Option :

1. Software can tried out
2. The company is not the first and only user
3. The company can save much time by buying rather than building

Disadvatage of "Buy" Option:

1. Software May not exactly meet the company needs
2. Software may be difficult
3. Vendor may continues a product or go out business.

• Custumize a Prewritten Application

Customizing software already owned an option to consider, if the software vendor allows companies to modify applications that suit your needs. However, this option would not be the best strategy, if the software is very expensive, and quick to expire.

• Lease the Application

Compared with the option to buy, and the option to build in-house applications, then the option of renting the application, be most cost-effective option, both in terms of time and cost. But often, "leased packages", not according to the needs of an organization's application. Leasing, an attractive option attractive for small-to-medium size enterprises (SMEs), which are not able to finance large-scale information technology investments. Great company, also can choose this strategy, with the aim to test the potential of information technology solutions, before making large-scale investments. There are two (2) options related to renting an application, and run it by using vendor proprietary platform, using the application service provider (ASP) and Software-as-a-Service (SaaS) vendors. ASP, the agent or vendor who build software according to the needs of the organization, and complete software with services, such as development, operations and maintenance. Customers can access the application via the Internet.

• Use Open-Source Software

License for implementing open-source software and use it just like that, customizing, developing applications, a variety of options that can be used by an organization.

• Outsourcing

Acquire information technology application of an external organization, known as outsourcing. Some vendors offer services to create and operate a system of information technology, including the application of e-commerce.

• Custom Development

Companies can choose to custom-build an application. They can do this process in-house or outsourced. In basic, the methodology used for the development of custom, is to use the system development life cycle (SDLC).

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