Ch 4. Telecommunications, the Internet, Intranets, and Extranets

________: is the rate at which data is exchanged Broadband communications are telecommunication systems that can exchange data very quickly Communications Media: are the means of delivering and receiving data or information.

________: network that links selected resources of a companys intranet with its customers, suppliers, or other business partners.

________ can access corporate systems from any internet- connected computer.

The internet routes ________ over the network backbone from route to route to reach their destinations.

________: enable you to find information on the web by specifying keywords (example: google)

________ are developed by: manufacturers, operators of the communications network on which they operate, third- party software developers.

The Internet: made up of computers, network hardware such as routers and fiber- optic cables, software, and the ________ /IP protocol.

Connecting via internet service providers: a(n) ________ is any organisation that provides internet access to people.

________: the key to web services.

________ (URL): web address that specific the exact location of a web page.

Connect via ________: business ________ are typically connected to their internet at very fast data rates.

________ that has the functionality and complexity of traditional application ________ but does not require local installation and runs in a web browser.

________: tell the web browser how to format text.

Distributed processing: processing devices are placed at ________ but are connected to each other via a network.

________: distributes programs and data to other computer (clients) on the network as they request them.

________: 64- bit number that identifies a computer on the internet.

Centralised processing: all processing occurs in a(n) ________ or facility.

________: internal corporate network built using internet and world wide web standards and technologies.

________ are electronic transmission of signals for communications → ________ medium: any material substance that carries an electronic signal to support communications between a sending and receiving device.

________ (IP): enables computers to route communications traffic from one network to another.

Network ________: protects software from being copied, modified, or downloaded illegally.

consists of communications media, devices, and software needed to connect two or more computer systems or devices

support interconnection of information technology within a range of about 33 feet

connect computer systems and devices within a small area (office/home)

connect users and their devices in a geographical area that spans a campus or city

connect large geographic regions

all processing occurs in a single location or facility

processing devices are places at various remote locations

processing devices are placed at remote locations but are connected to each other via a network

multiple computer programs are dedicated to special functions

systems software that controls the computer systems and devices on a network

protects software from being copied, modified, or downloaded illegally

enables computers to route communications traffic from one network to another

set of rules to pass packets from one host to another

64-bit number that identifies a computer on the internet

web address that specific the exact location of a web page

made up of computers, network hardware such as routers and fiber-optic cables, software, and the TCP/IP protocol

consists of server and client software, the hypertext transfer protocol (http), and mark-up languages that combine to deliver information and services over the internet

highlighted text or graphics in a web document that, when clicked, opens a new web page

web client software such as internet explorer, firefox, and safari used to view web pages

standard page description language for web pages

markup language that defines the visual appearance of content in a web page