Information Technology Systems In Business

  Ch 6 - Ethics and Privacy 6.1 Ethical issues Ethics - describes a person's personal guidelines of right and wrong that shape their behavioural decisions. The main representatives of ethical standards - Utilitarian approach: Providing the greatest good/lowest harm Rights Approach: Protecting and conserving an individual's moral rights Fairness approach: Treating all equally or justly Common good approach: Benefiting the welfare of the whole community There are four categories of IT-related ethical issues - privacy, a ccuracy , p roperty and a ccessibility . Posing concern to things such as the gathering, legitimacy, ownership and the accessing of information. 6.1 Privacy Privacy: the right of freedom from unwanted intrusion. From physical to informational privacy.  The Privacy Act of 1988 was specifically put in place to regulate and protect an individuals informational privacy. Threats of privacy - Electronic surveillance personal information in databases Information on ...

  Ch 5 - Business Intelligence 5.1 Managers and decision making Information Technologies support managerial decision-making by collecting, storing, retrieving and analysing valuable information. Helping businesses break down decisions and make choices based on evidence in a timely manner. Decision-making involves a 3 step process: Intelligence - identify the issue or opportunity Design - construct a set of validated options Choice - selecting which option to choose and applying it 5.2 What is business intelligence? Business intelligence (BI): a term to describe all tech applications/proccess that help the decision-making process. BI has growing importance in support for both small and large organisations . Depending on the funds available for each organisation, BI use can be minimal, such as Excel spreadsheets. Or, in larger institutions, e.g. data mining, dashboards and data visualisation. 5.3 Business intelligence applications for data analysis Depending on how users analyse, p...

Ch 4 - Telecommunications and Networking 4.1 What is a computer network? Computer network: a system that uses communication media to connect information from, e.g., a computer to another device. The 2 main types of networks. 1. Local area networks (LAN) - Local area networks are limited to connecting devices within a physical local capacity. E.g. a Uni. LANs have speed, distance, and cost objectives and they commonly use ethernets. - compared to... 2. Wide area networks (WAN) - WANs generally connect multiple LANs, covering a large geographical capacity, that is, international and global. They also contain routers, which are the communication processors that message LANs to the internet. 4.2 Network fundamentals   One network fundamental is wirelines , electronic connection systems transporting the data information. e.g. landline phones Wireline pros and cons Twisted-pair wire: cheaper, more common - slower, poor security. It is commonly used for most business telephone wiring. ...