CTS 115 Chapter 4 Key Terms

43 terms by kfhinson 

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 ARPANET

a project started by the U.S. Department of Defense (DoD) in 1969 as both an experiment in reliable networking and a means to link DoD and military research contractors, including a large number of universities doing military-funded research.

 Bluetooth

a wireless communications specification that describes how cell phones, computers, faxes, printers, and other electronic devices can be interconnected over distances of 10-30 feet at a rate of about 2 Mbps.

 Broadband communications

a telecommunications system in which a very high rate of data exchange is possible.

 Cascading Style Sheet (CSS)

a markup language for defining the visual design of a Web page or group of pages.

 Centralized processing

the processing alternative in which all processing occurs in a single location or facility.

 Channel bandwidth

the rate at which data is exchanged over a communication channel usually measured in bits per second (bps).

 Client/Server architecture

an architecture in which multiple computer platforms are dedicated to special functions, such as database management, printing, communications, and program execution.

 Computer network

the communications media, devices, and software needed to connect two or more computer systems or devices.

 Content streaming

a method for transferring multimedia files over the Internet so that the data stream of voice and pictures plays more or less continuously without a break (or very few of them); enables users to browse large files in real time.

 Decentralized processing

the processing alternative in which processing devices are placed at various remote locations.

 Distributed processing

the processing alternative in which computers are placed at remote locations but are connected to each other via a network.

 Extensible Markup Language (XML)

the markup language for Web documents containing structured information, including words, pictures, and other elements.

 Extranet

a network based on Web technologies that links selected resources of a company's intranet with its customers, suppliers, or other business partners.

 File Transfer Protocol (FTP)

a protocol that provides a file transfer process between a host and a remote computer and allows users to copy files from one computer to another.

 HTML tags

the codes that let the Web browser know how to format text-as a heading, as a list, or as body text-and whether images, sound, and other elements should be inserted.

 Hyperlink

highlighted text or graphics in a Web document that, when clicked, opens a new Web page containing related content.

 Hypertext Markup Language (HTML)

the standard page description language for Web pages.

 Instant messaging

a method that allows two or more individuals to communicate online using the Internet.

 Internet Protocol (IP)

a communications standard that enables traffic to be routed from one network to another as needed.

 Internet service provider (ISP)

any company that provides individuals or organizations with access to the Internet.

 IP address

A 64-bit number that identifies a computer on the Internet.

 Java

an object-oriented programming language from Sun Microsystems based on C++ that allows small programs (applets) to be embedded within an HTML document.

 Local area network (LAN)

a network that connects computer systems and devices within a small area like an office, home, or several floors in a building.

 Long Term Evolution (LTE)

- a standard for wireless communications for mobile phones based on packet switching.

 Metropolitan area network (MAN)

a telecommunications network that connects users and their devices in a geographical area that spans a campus or city.

 Near field communication (NFC)

a very short-range wireless connectivity technology designed for cell phones and credit cards.

 Network management software

the software that enables a manager on a networked desktop to monitor the use of individual computers and shared hardware (like printers), scan for viruses, and ensure compliance with software licenses.

 Network operating system (NOS)

the systems software that controls the computer systems and devices on a network and allows them to communicate with each other.

 Personal area network (PAN)

a network that supports the interconnection of information technology within a range of 33 feet or so.

 Rich Internet application (RIA)

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

 Router

a telecommunications device that forwards data packets across two or more distinct networks toward their destinations, through a process known as routing.

 Search engine

a Web search tool.

 Telecommunications medium

anything that carries an electronic signal and interfaces between a sending device and a receiving device.

 Tunneling

the process by which VPNs transfer information by encapsulating traffic in IP packets over the Internet.

 Ultra wideband (UWB)

A form of short-range communications that employs extremely short electromagnetic pulses lasting just 50 to 1,000 picoseconds that are transmitted across a broad range of radio frequencies of several gigahertz.

 Uniform Resource Locator (URL)

an assigned address on the Internet for each computer.

 Web 2.0

the Web as a computing platform that supports software applications and the sharing of information among users.

 Web browser

the software that creates a unique, hypermedia-based menu on a computer screen, providing a graphical interface to the Web.

 Web log (blog)

a Web site that people can create and use to write about their observations, experiences, and feelings on a wide range of topics.

 Web portal

a Web page that combines useful information and links and acts as an entry point to the Web—they typically include a search engine, a subject directory, daily headlines, and other items of interest.

 Web

server and client software, the hypertext transfer protocol (http), standards, and mark-up languages that combine to deliver information and services over the Internet.

 Wide area network (WAN)

a telecommunications network that ties together large geographic regions.

 Wi-Fi

- A medium-range wireless telecommunications technology brand owned by the Wi-Fi Alliance.

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