Information Systems Basics

Business Value of Cloud Computing

In this article  business value of cloud computing will be discussed. In deciding whether hosting a service in the cloud makes sense over the long term, it is argues that the fine-grained economic models enabled by Cloud Computing make trade-off decisions more fluid, and in particular the elasticity offered by clouds serves to transfer risk.

As well, although hardware resource costs continue to decline, they do so at variable rates; for example, computing and storage costs are falling faster than WAN costs. Cloud computing can track these changes and potentially pass them through to the customer more effectively than building one’s own datacenter, resulting in a closer match of expenditure to actual resource usage.… Read the rest

Abey Francis

What is Electronic Records Management (ERM)?

ISO standard 15489: 2001 defines Records Management (RM) as the field of management responsible for the efficient and systematic control of the creation, receipt, maintenance, use, and disposition of records, including the processes for capturing and maintaining evidence of and information about business activities and transactions in the form of records. Electronic Records Management (ERM) guarantees that your company has the records they need when they are needed. Records management is referred to a set of activities that are required for systematically controlling the distribution, use, creation, maintenance, and disposition of all recorded information that’s maintained as proof of business transactions and activities.… Read the rest

Abey Francis

Case Study on Information Systems: Premier Automotive Services Limited

The Premier Automotive Services Limited (PAS) provides services to various companies in Pune for maintaining the transport fleet run by the companies, for their use. Beside this, it runs petrol pumps and spare parts shop too. The vehicle maintained by the Premier Automotive Services are buses , trucks, and jeeps. The total strength of the Premier Automotive Services is around 300 vehicles. The services charged are of two types- fixed monthly for the routine maintenance and variable maintenance for other services like breakdown repairs, replacements, petrol or diesel consumed, etc. The company seeking the services from the PAS are satisfied if the vehicles are kept in good condition and down time is 2% of 25 days in a month.… Read the rest

Abey Francis

File Organization Techniques

The basic technology of the data organization is based on a hierarchy. Data must be approached on an organized basis, if it is to be useful, in data processing, the hierarchy of data is described below:-

  1. A character is any simple number, alphabet or special symbol.
  2. A data record consists of a group of related data fields(e. g. Employee’s sequential record, customer record, etc.)
  3. A data field is an area that can hold one organization more characters that, together represents a specific data element(e. g. The name field, the quantity filed)
  4. A data file is a compilation of related data records maintained in some prearranged order.
… Read the rest
Abey Francis

Introduction to File Organization

As in our daily life, huge amount of data has to be collected and processed, so it is very difficult to handle it. But this can be handled fast and easily by using files. Files are the mega byte data structure used in information processing. Actually, a file itself is a bunch of bytes stored on some storage devices like magnetic disk, magnetic drum and magnetic tape etc. A file is a collection of records. Each record is made up of fields. The various fields consists of groups of characters, say the decimal digits 0 through 9 and alphabet A through Z.… Read the rest

Abey Francis

Different Information Systems in Business

Information systems refer to the way in which information is gathered, customized, analyzed, shared and reported. Each information systems are invented to support these requirements of business to enable managers to take sound decisions to achieve business objectives and goals.   They often  overlaps each other with respect to functions they provide like gathering, comparing, analyzing, integrating different software applications and reporting. Each kind of information system supports this by varying degree of effectiveness. They all require costs, time, training to use hardware/software and changes to be adopted, to implement the system.

1. Executive Information Systems (EIS)

Executive information system supports the top level management in taking strategic business decisions by providing information to executives.… Read the rest

Abey Francis