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An information system architecture is a formal definition of the business processes and rules, systems structure, technical framework, and product technologies for a business or organizational information system. The Information systems (IS) evolved with development of information technology and applications over the past few years. It is very crucial to understand how the research issues have evolved and what is the driving force behind the evolution.
The relative importance of each factor varies over time, and will also vary from one organization to another. These factors include:

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the capabilities of the technology and the applications that are feasible;
the economics of acquiring, deploying and maintaining the technology: applications, services and infrastructure;
the skills and abilities available, either in?house or from external sources, to design and implement the applications;
the skills and abilities within the organization to use the applications and information;
the capability to manage any organizational changes accompanying technology deployments;
the pressures on the particular organization or its industry to improve performance or adapt to changing circumstances, such as a new regulatory environment or ‘digital disruption’

Advancement and application of information technology are ever changing. Some of the trends in the information technology are as follows:
Data collection automation
83% of the survey respondents said that market intelligence systems should be able to automate data collection by 2020. Increasingly, companies must implement systems to collect information online and in real time, so as to proactively identify and respond to emerging market opportunities and threats faster than the competition.
Cloud Computing
Cloud computing offers 3 types of broad services mainly Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS)

Cloud computing reduces IT infrastructure cost of the company.
Cloud computing promotes the concept of virtualization, which enables server and storage device to be utilized across organization.
Cloud computing makes maintenance of software and hardware easier as installation is not required on each end user’s computer.

Mobile Application
Another emerging trend within information technology is mobile applications (software application on Smart phone, tablet, etc.). Mobile application or mobile app has become a success since its introduction. They are designed to run on Smartphone, tablets and other mobile devices.

User Interfaces
User interface has undergone a revolution since introduction of touch screen. The touch screen capability has revolutionized way end users interact with application. Touch screen enables the user to directly interact with what is displayed and also removes any intermediate hand-held device like the mouse.
The field of analytics has grown many folds in recent years. Analytics is a process which helps in discovering the informational patterns with data. The field of analytics is a combination of statistics, computer programming and operations research. The field of analytics has shown growth in the field of data analytics, predictive analytics and social analytics. Data analytics is tool used to support decision-making process. 
As it has been introduced previously, m-commerce is one of the technological advances that, most probably, will be soon integrated into integrated information systems for management. This technological advance and its integration could modify the present way of making businesses. Therefore, this new tool can produce a new revolution in the world of the companies.