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Management Information Systems > CHAPTER 7 TELECOMMUNICATIONS, THE INTERNET, AND WIRELESS TECHNLOGY > Flashcards

CHAPTER 7 TELECOMMUNICATIONS, THE INTERNET, AND WIRELESS TECHNLOGY Flashcards

1
Q

with transmission speeds ranging from 144 Kbps for mobile users in, say, a car, to more than 2 Mbps for stationary users, offer fair transmission speeds for e-mail, browsing the Web, and online shopping, but are too slow for videos.

A

3G Networks, 277

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2
Q

called Long Term Evolution (LTE) networks, have much higher speeds: 100 megabits/second download, and 50 megabits upload speed.

A

4G networks, 277

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3
Q

The range of frequencies that can be accommodated on a particular telecom- munications channel is called its

A

Bandwidth, 258

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3
Q

the popular term for a Weblog, is a personal Web site that typically contains a series of chronological entries (newest to oldest) by its author, and links to related Web pages.

A

Blog, 274

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4
Q

millions of people without HTML skills of any kind can post their own Web pages and share content with others. The totality of blog-related Web sites is often referred to as the

A

Blogosphere, 274

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5
Q

is the popular name for the 802.15 wireless networking standard, which is useful for creating small personal area networks (PANs).

A

Bluetooth, 278

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6
Q

connections provided by telephone and cable TV companies running at 1 to 15 million bits per second

A

Broadband, 250

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7
Q

provided by cable television vendors use digital cable coaxial lines to deliver high-speed Internet access to homes and businesses.

A

Cable Internet connections, 258

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8
Q

or instant messaging tools. Chatting enables two or more people who are simultaneously connected to the Internet to hold live, interactive conversations.

A

Chat, 264

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9
Q

technologies operate over existing telephone lines to carry voice, data, and video at transmission rates ranging from 385 Kbps all the way up to 40 Mbps, depending on usage patterns and distance.

A

Digital subscriber line (DSL), 258

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10
Q

is the English-like name that corresponds to the unique 32-bit numeric IP address for each computer connected to the Internet.

A

Domain name, 259

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10
Q

converts domain names to IP addresses.

A

Domain Name System (DNS), 259

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11
Q

These services include e-mail, chatting and instant messaging, electronic discussion groups,

A

File Transfer Protocol (FTP), 264

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11
Q

enables messages to be exchanged from computer to computer, with capabilities for routing messages to multiple recipients, forwarding messages, and attaching text documents or multimedia files to messages.

A

E-mail, 264

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11
Q

one hertz is equal to one cycle of the medium.

A

Hertz, 257

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12
Q

typically consist of one or more access points providing wireless Internet access in a public place.

A

Hotspots, 280

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12
Q

are very simple devices that connect network components, sending a packet of data to all other connected devices.

A

Hubs, 251

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13
Q

Web pages are accessible through the Internet because Web browser software operating your computer can request Web pages stored on an Internet host server using the

A

Hypertext Transfer Protocol (HTTP), 269

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14
Q

is a type of chat service that enables participants to create their own private chat channels.

A

Instant messaging, 264

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15
Q

which currently is a 32-bit number represented by four strings of numbers ranging from 0 to 255 separated by periods. For instance, the IP address of www.microsoft.com is 207.46.250.119.

A

Internet Protocol (IP) address, 258

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16
Q

is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers.

A

Internet service provider (ISP), 258

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17
Q

is an advanced networking consortium representing over 350 U.S. universities, private businesses, and government agencies work- ing with 66,000 institutions across the United States and international net- working partners from more than 50 countries.

A

Internet2, 261

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18
Q

The old addressing system is being replaced by a new version of the IP addressing schema called

A

IPv6, 261

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19
Q

is a network that spans a metropolitan area, usually a city and its major suburbs.

A

Metropolitan area network (MAN), 257

20
Q

is designed to connect personal computers and other digital devices within a half-mile or 500-meter radius.

A

Local area network (LAN), 256

21
Q

used in Twitter, is a type of blogging that features short posts of 140 characters or less.

A

Microblogging, 274

22
Q

stands for modulator-demodulator.

A

Modem, 255

23
Q

routes and manages communications on the network and coordinates network resources.

A

Network operating system (NOS), 251

23
Q

architecture is called the workgroup network model, in which a small group of computers can share resources, such as files, folders, and printers, over the network without a dedicated server.

A

Peer-to-peer, 256

24
Q

is a method of slicing digital messages into parcels called packets, sending the packets along different communication paths as they become available, and then reassembling the packets once they arrive at their destinations

A

Packet switching, 253

25
Q

It links up to eight devices within a 10-meter area using low-power, radio-based communication and can transmit up to 722 Kbps in the 2.4-GHz band.

A

Personal area networks (PANs), 278

26
Q

is a set of rules and procedures governing transmission of information between two points in a network.

A

Protocol, 254

26
Q

systems provide a powerful technology for tracking the movement of goods throughout the supply chain.

A

Radio frequency identification (RFID), 280

26
Q

Obviously, with so many Web pages, finding specific Web pages that can help you or your business, nearly instantly, is an important problem. attempt to solve the problem of finding useful information on the Web nearly instantly, and, arguably, they are the “killer app” of the Internet era.

A

Search engines, 270

26
Q

is a communications processor used to route packets of data through different networks, ensuring that the data sent gets to the correct address.

A

Router, 251

27
Q

Really Simple Syndication or Rich Site Summary, pulls specified content from Web sites and feeds it automatically to users’ computers.

A

RSS, 274

28
Q

Search engines have become major advertising platforms and shopping tools by offering what is now called

A

Search engine marketing, 272

29
Q

is the process of improving the quality and volume of Web traffic to a Web site by employing a series of techniques that help a Web site achieve a higher ranking with the major search engines when certain keywords and phrases are put in the search field

A

Search engine optimization (SEO), 272

30
Q

refers to meaning. Most of the Web’s content today is designed for humans to read and for computers to display, not for computer programs to analyze and manipulate.

A

Semantic Web, 276

31
Q

use intelligent agent software for searching the Internet for shopping information.

A

Shopping bots, 274

32
Q

such as the iPhone, Android phones, and BlackBerry combine the functionality of a cell phone with that of a mobile laptop computer with Wi-Fi capability.

A

Smartphones, 277

33
Q

sites enable users to build communities of friends and professional colleagues.

A

Social networking, 275

34
Q

is an effort to provide fewer, more relevant, and trustworthy search results based on a person’s network of social contacts.

A

Social search, 273

35
Q

(SDN) is a new networking approach in which many of these control functions are man- aged by one central program, which can run on inexpensive commodity servers that are separate from the network devices themselves.

A

Software-defined networking, 251

36
Q

has more intelligence than a hub and can filter and forward data to a specified destination on the network.

A

Switch, 251

37
Q

offer guaranteed delivery at 1.54 Mbps, and T3 lines offer delivery at 45 Mbps. The Internet does not provide similar guaranteed service levels, but simply “best effort.”

A

T1 lines, 258

37
Q

Logging on to one computer system and doing work on another

A

Telnet, 264

38
Q

TCP/IP was developed during the early 1970s to support U.S. Department of Defense Advanced Research Projects Agency (DARPA) efforts to help scientists transmit data among different types of computers over long distances.

A

Transmission Control Protocol/Internet Protocol (TCP/IP), 254

39
Q

integrates disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience where users can seamlessly switch back and forth between different communication modes.

A

Unified communications, 268

40
Q

The directory path and document name are two more pieces of information within the Web address that help the browser track down the requested page. Together, the address is called a

A

Uniform resource locator (URL), 269

41
Q

is a secure, encrypted, private network that has been configured within a public network to take advantage of the economies of scale and management facilities of large networks, such as the Internet

A

Virtual private network (VPN), 268

42
Q

technology delivers voice information in digital form using packet switching, avoiding the tolls charged by local and long-distance telephone networks

A

Voice over IP (VoIP), 265

43
Q

is the promise of a future Web where all this digital information, all these contacts, can be woven together into a single meaningful experience.

A

Web 3.0, 276

43
Q

Today’s Web sites don’t just contain static content—they enable people to collaborate, share information, and create new services and content online. These second-generation interactive Internet-based services are referred to as

A

Web 2.0, 274

44
Q

is a collection of Web pages linked to a home page.

A

Web site, 269

45
Q

span broad geographical distances—entire regions, states, continents, or the entire globe.

A

Wide area networks (WANs), 257

46
Q

The 802.11 set of standards for wireless LANs and wireless Internet access is also known as

A

Wiki, 275

47
Q

which stands for Worldwide Interoperability for Microwave Access, is the popular term for IEEE Standard 802.16.

A

WiMax, 280

48
Q

are networks of interconnected wireless devices that are embedded into the physical environment to provide measurements of many points over large spaces.

A

Wireless sensor networks (WSNs), 283

Management Information Systems (8 decks)

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