CSIT 142 Latest 2023 100% Correct

CSIT 142 Latest 2023 100% Correct Hardware the physical parts of a computer e.g monitor, cpu Software Software is the set of instructions that tells the hardware what to do e.g excel Personal Info Security Protecting your data by making strong passwords, installing antivirus, backing up your data Security Policies Guidelines for employees when using the company's information resources. Firewalls Hardware firewall is a device that is connected to the network and filters the packets based on a set of rules. A software firewall run on the operating systems and intercepts packets as they arrive to a computer Password Security The user name and the strong password should enable the system to be secure. Tools for Information Security 1) Authentication: something the know, " " they have, " " they are. 2) Access control determines which users are authorized to read, modify, add/delete info. 3) Encryption is process of encoding data upon its transmission or storage so only authorized individuals can read it. Info security triad CIA Confidentiality - ability to restrict access to only those who are allowed to see it. Privacy Integrity - assurance that the information being accessed has not been altered and truly represents what is intended. It can be both, intentional or unintentional (accident). Availability- information can be accessed and modified by anyone authorized to do so in an appropriate time-frame. data mining the process of finding patterns in a given data set. Used in context of fraud detection. data warehouse Provide generalized and consolidated data in multidimensional view. Also supply online analytical processing (OLAP) tools. A data warehouse helps business executives to organize, analyze and use their data for decision making. Database an organized body of related information Primary key's function This key is the unique identifier for each record in the table. Characteristic features for information quality Reliability − It should be verifiable and dependable. Timely − It must be current and it must reach the users well in time, so that important decisions can be made in time. Relevant − It should be current and valid information and it should reduce uncertainties. Accurate − It should be free of errors and mistakes, true, and not deceptive. Complete − It should meet all the needs in the current context Supply Chain Management (SCM) The management of information flows between and among activities in a supply chain to maximize total supply chain effectiveness and profitability Customer Relationship Management (CRM) Enterprise application module A means of managing all aspects of a customer's relationship with an organization to increase customer loyalty and retention and an organization's profitability. Disadvantages of ERP Expense and time in implementation Difficulty in integration with other system Risk of implementation failure Difficulty in implementation change Risk in using one vendor Advantages of ERP Better customer satisfaction Increased flexibility, quality, and efficiency Improved information accuracy and decision making capability Improve supplier performance Reduced quality costs Quick decision-making Forecasting and optimization What is ERP (Enterprise Resource Planning)? An integrated, real-time, cross-functional enterprise application, an enterprise-wide transaction framework that supports all the internal business processes of a company. A software application utilizing a central database that is implemented throughout the entire organization Data Facts and statistics collected together for reference or analysis information Data converted into a meaningful and useful context What roles do people play in information systems? Anyone involved with Information System help desk, user, systems analyst, programmers, CIO What is Data, Information, and Business Intelligence (BI)? Information collected from multiple sources that analyzes patterns, trends and relationships for strategic decision making Role of Information Systems These components collect, store, organize, and distribute data throughout the organization. In fact, we might say that one of the roles of information systems is to take data and turn it into information, and then transform that into organizational knowledge Process process is the series of actions taken by an organization to achieve the desired objective.