Data and information are the key components in day to day running of any organization in today’s information age. Data security involves protecting data from theft, unauthorized access, and modification. Information is secured to achieve 3 main objectives namely confidentiality, integrity, and availability of data. The process involves securing all hardware, software, networking devices, and…
The information age can also be referred to as the computer age, digital age, or data age. The information age timeline can be dated from the 1940s when digital computers were first developed to solve human problems. It has moved the world from the industrial age to the current information age where “one who has information…
Let’s first answer what is data. Data is the raw material or facts that are not analyzed to give any meaning. They cannot be used for decision-making because they are not arranged or organized in a manner that users can interpret. Data is taken and manipulated in different ways to give information. So the information…
Information System has been defined in so many ways by different scholar and sources. To define it simply it is an integration of various components that are coordinated together to enable managers to perform their functions more effectively. They are used to enhance decision-making in the organization, from structured, and semi-structured to non-structured decisions. The…
After acquiring a computer program (system) you are required to change from the old system to the newly acquired system in a process called system changeover. It involves replacing the old system and business processes with a new one. The main system changeover methods are parallel, direct, pilot, and phased changeovers. They are implemented differently…