Discussion: Databases & Other Information Systems Components HIT 210

Discussion: Databases & Other Information Systems Components HIT 210

Databases & Other Information Systems Components (graded)
After studying Sayles, pages 879-887, explain what is a database and what is it used for? What is the difference between relational databases, object-oriented databases, and object-relational databases? What are the basic functions of a database? Give an example of a database and tell us if it is a relational, object-oriented, or object-relational database.

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The computer age introduced a new element to businesses, universities, and a multitude of other organizations: a set of components called the information system, which deals with collecting and organizing data and information. An information system is described as having five components.

Computer hardware
Discussion: Databases & Other Information Systems Components HIT 210This is the physical technology that works with information. Hardware can be as small as a smartphone that fits in a pocket or as large as a supercomputer that fills a building. Hardware also includes the peripheral devices that work with computers, such as keyboards, external disk drives, and routers. With the rise of the Internet of things, in which anything from home appliances to cars to clothes will be able to receive and transmit data, sensors that interact with computers are permeating the human environment.

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Computer software
The hardware needs to know what to do, and that is the role of software. Software can be divided into two types: system software and application software. The primary piece of system software is the operating system, such as Windows or iOS, which manages the hardware’s operation. Application software is designed for specific tasks, such as handling a spreadsheet, creating a document, or designing a Web page.

Telecommunications
Discussion: Databases & Other Information Systems Components HIT 210This component connects the hardware together to form a network. Connections can be through wires, such as Ethernet cables or fibre optics, or wireless, such as through Wi-Fi. A network can be designed to tie together computers in a specific area, such as an office or a school, through a local area network (LAN). If computers are more dispersed, the network is called a wide area network (WAN). The Internet itself can be considered a network of networks.