Network and Internet Flashcards
is a group of computer systems and other computing hardware devices that are linked together through communication channels to facilitate communication and resource sharing among a wide range of users.
Computer Network
Networks are commonly categorized based on their characteristics.
Networks
The arrangement of a network which comprises of nodes and connecting lines via sender and receiver is referred as
Network Topology
The various network topologies
are:
- Bus
- Ring
- Star
- Mesh
- Hybrid
is a network type in which every computer
and network device is connected to single cable.
Bus Topology
It transmits the data from one end to another in a single direction. No bi-directional feature is
Bus Toplogy
forms a ring connecting all devices with
its exactly two neighboring devices.
Ring Topology
all the devices are connected to a single hub through a cable.
Star Topology
cable. This hub is the central node and
all others nodes are connected to the
central node.
central node. The hub can be
passive in nature i.e. not intelligent
hub such as broadcasting devices, at
the same time the hub can be
intelligent known as
Active Hubs
It has repeaters in them
Active Hub
every device is connected to another
device via particular channel.
Mesh Topology
is a
collection of two or
more topologies
Hybrid Topology
This is a scalable
topology which can be
expanded easily. It is
reliable one but at the
same it is a costly
topology.
Hybrid Topology
is a worldwide collection of networks that
links millions of businesses, government agencies, educational institutions, and individuals
Internet
ARPANET stands for
(Advanced
Research Project Agency Network)
The Internet originated as
ARPANET
oversees research and sets guidelines and standards
The World Wide Web Consortium (W3C)
connects more than 200 universities and 115
companies via a high-speed private network
Internet2
is a business that provides
individuals and organizations access to the Internet free or for a fee
Access Provider
Two types of ISP (Internet Service Provider)
- Regional ISPs
- National ISPs
provide Internet
access to a specific
geographical area
Regional ISP
provide Internet
access in cities and
towns nationwide
National ISP
Has many members
only features
Online Service Provider (OSP)
Popular OSPs include
AOL (America
Online) and MSN
(Microsoft
Online Service Provider (OSP)
Provides wireless
Internet access to
computers and
mobile devices
May require
Wireless Internet
service provider
May require a
wireless modem
Wireless Internet
service provider
is a number that uniquely identifies each
computer or device connected to the Internet
IP Address
is the text version of an IP address
Domain Name
translates the domain name into its
associated IP address
DNS server
Top level domain (TLD)
.com
.org
.edu
.net
consists of a worldwide
collection of electronic documents ( Web pages
The World Wide Web or Web
is a collection of related Web pages and
associated items
Web Site
is a computer that delivers requested Web
pages to your computer
Web Server
was a read only , you can only use it to look for information.
Web 1.0
refers to Web sites that provide a means for
users to interact
Web 2.0
allows users to access Web
pages and Web 2.0 programs
Web browser or browser
is the first page that a
Web site displays
Home Page
is the process of
receiving information
Downloading
Web pages provide
links to other
related Web pages
Some Web pages are
designed specifically for
micro browsers
A Web page has a unique address called a
URL or Web Address
allows you to open and view multiple
Web pages in a single Web browser window
Tabbed browsing
Two types of search tools are
- Search Engines
- Subject Directories
Finds information
related to a
specific topic
Search Engine
Classifies Web
pages in an
organized set of
categories
Subject Directory
Some Web browsers contain an
________________ to eliminate the steps of displaying the search engine’s Web page prior to entering the search text
Instant Search Box
13 types of Web Sites
- Portal
- News
- Information
- Business/Marketing
- Blog
- Wiki
- Online Social Network
- Educational
- Entertainment
- Advocacy
- Web Application
- Content Aggregator
- personal
Information presented on
the Web must be
evaluated for accuracy
refers to any application that combines text
with: Graphics, Animation, Audio, Video, and Reality
Multimedia
is a digital representation of nontext
information
Graphic formats
Graphic
is a digital representation of nontext
information
Graphic formats
Graphic
Graphic formats include
BMP, GIF, JPEG, PNG, and TIFF
is a small version of
a larger graphic
Thumbnail
is the appearance of motion created by
displaying a series of still images in sequence
Animation
includes music, speech, or any other sound
Audio
You listen to audio on your computer using a
Player Streaming
is the process of transferring data in a
continuous and even flow
Player Streaming
consists of images displayed in motion
Video
) is the use of computers to simulate a
a real or imagined environment that appears as a three-dimensional space
Virtual Reality (VR)
is a program that extends the capability of a
Web browser
Plug-in
is the development and maintenance of
Web pages
Web Publishing
is the transmission
of messages and files via a
computer network
allows
you to create, send,
receive, forward, store,
print, and delete e mail
messages
E-mail Program
mailing list is a group of e mail names and addresses
given a single name
Mailing List
adds your e mail name and address
Subscribing
removes your name
Unsubscribing
) is a real time Internet
communications service
Internet Messaging (IM)
is a real time typed
conversation that takes place
on a computer
Chat
is a location on
an Internet server that permits
users to chat with each other
Chat Room
enables users to speak to other
users over the Internet
VoIP (Voice over IP)
Also called Internet telephony
VoIP
is an online area in
which users have written
discussions about a particular
subject
newsgroup
is a Web based
type of discussion group
Message Board
is the code of acceptable Internet behavior
Netiquette
is an Internet standard that
permits file uploading and downloading with other computers on the Internet
FTP (File Transfer Protocol)
One of the major reasons business, home, and other users purchase computers is for Internet access.
True
____________ allows users to share documents with others in real time.
Online Meeting
Physical transmission media used in communications include all of the following except ____________.
Broadcast Radio Cable
The risk to a bus network is that ____________.
the bus itself might become inoperable
A communication ____________ is a transmission media on which data, instructions, or information travel.
channel
A satellite Internet service ____________.
According to netiquette, Internet users should assume ________.
the use of all capital letters is the equivalent of shouting
Some Web sites that sponsors newsgroups have a built-in newsreader.
True
