________: 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.
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Extranet
________: network that links selected resources of a companys intranet with its customers, suppliers, or other business partners.
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Employees
________ can access corporate systems from any internet- connected computer.
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data packets
The internet routes ________ over the network backbone from route to route to reach their destinations.
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Search Engines
________: enable you to find information on the web by specifying keywords (example: google)
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Applications
________ are developed by: manufacturers, operators of the communications network on which they operate, third- party software developers.
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TCP
The Internet: made up of computers, network hardware such as routers and fiber- optic cables, software, and the ________ /IP protocol.
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ISP
Connecting via internet service providers: a(n) ________ is any organisation that provides internet access to people.
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XML
________: the key to web services.
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Uniform Resource Locator
________ (URL): web address that specific the exact location of a web page.
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LAN server
Connect via ________: business ________ are typically connected to their internet at very fast data rates.
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Software
________ that has the functionality and complexity of traditional application ________ but does not require local installation and runs in a web browser.
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HTML tags
________: tell the web browser how to format text.
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remote locations
Distributed processing: processing devices are placed at ________ but are connected to each other via a network.
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Server
________: distributes programs and data to other computer (clients) on the network as they request them.
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IP Address
________: 64- bit number that identifies a computer on the internet.
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single location
Centralised processing: all processing occurs in a(n) ________ or facility.
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Intranet
________: internal corporate network built using internet and world wide web standards and technologies.
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Telecommunications
________ 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.
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Internet Protocol
________ (IP): enables computers to route communications traffic from one network to another.
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management software
Network ________: protects software from being copied, modified, or downloaded illegally.
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Computer network
consists of communications media, devices, and software needed to connect two or more computer systems or devices
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Personal area networks (PAN)
support interconnection of information technology within a range of about 33 feet
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Local area network (LAN)
connect computer systems and devices within a small area (office/home)
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Metropolitan area networks (MAN)
connect users and their devices in a geographical area that spans a campus or city
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Wide area networks (WAN)
connect large geographic regions
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Centralised processing
all processing occurs in a single location or facility
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Decentralised processing
processing devices are places at various remote locations
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Distributed processing
processing devices are placed at remote locations but are connected to each other via a network
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Client/server Architecture
multiple computer programs are dedicated to special functions
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Network Operating system (NOS)
systems software that controls the computer systems and devices on a network
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Network management software
protects software from being copied, modified, or downloaded illegally
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Internet Protocol (IP)
enables computers to route communications traffic from one network to another
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IP Protocol
set of rules to pass packets from one host to another
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IP Address
64-bit number that identifies a computer on the internet
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Uniform Resource Locator (URL)
web address that specific the exact location of a web page
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The Internet
made up of computers, network hardware such as routers and fiber-optic cables, software, and the TCP/IP protocol
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The Web
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
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Hyperlink
highlighted text or graphics in a web document that, when clicked, opens a new web page
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Web browser
web client software such as internet explorer, firefox, and safari used to view web pages
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Hypertext markup language (HTML)
standard page description language for web pages
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Cascading style sheet (CSS)
markup language that defines the visual appearance of content in a web page
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