TECHNOLOGY CHEAT SHEET

advertisement
THE SMALL BUSINESS
TECHNOLOGY CHEAT SHEET
Cloud Computing
Cloud computing is simply Internet-based computing where different
services like file backup or email are delivered to an individual’s or
company’s computers and devices through the Internet.
Browser
WWW.
Short for Web browser, a
browser is a software
application used to locate,
retrieve and display content on
the World Wide Web, including standard web pages,
images, videos and other file types.
A router is a device that sends
data along networks. You may
have a router in your home that
connects your computer and other devices to the
Internet.
Modem
Application
A computer application, such as Microsoft Word or
Excel is a software program in which you do your work.
10101010101
01101010010
11010101010
10101010101
Router
Data
The word data is used to
describe distinct pieces of
information, often formatted in
a particular way. All software is
divided into two general categories: data and programs.
Programs (or applications) are collections of
instructions for manipulating data. For example, the
numbers in a Microsoft Excel document can be viewed
as data. When you ask Excel to add a row of numbers
together you are asking a program to manipulate this
data.
The term modem is short for modulator-demodulator. A
modem lets a computer to transmit data over telephone
or cable lines.
Network
A network is a group of two or more
computers that link together. LocalArea-Networks (LANs) are computers
that are close together. Wide-Area-Networks (WANS)
are computers that are farther apart and may be
connected by telephone or cable lines.
Firewall
A firewall is a protective system
between your computer network
and the Internet. A firewall prevents
unauthorized use and access to your network.
1
Server
Ethernet Cable
Ethernet cables connect devices such like modems,
routers, and computers to each other.
Bytes
A byte is a combination of
the words binary and term, a unit
of storage capable of holding a single character. For
most computers, a byte is equal to 8 bits. Large
amounts of memory are indicated in terms of kilobytes
(1,024 bytes), megabytes (1,048,576 bytes), and
gigabytes (1,073,741,824 bytes).
Bandwidth
The term bandwidth is
used to describe the
amount of data that can be
mbps transmitted in a fixed amount of
time. For digital devices, the
bandwidth is usually expressed in bits per second(bps)
or bytes per second.
Cookies
A cookie is a message given to a Web browser by a
Web server. The browser stores the message in a text
file. The message is then sent back to the server each
time the browser requests a page from the server. The
main purpose of a cookie is to identify users and
possibly prepare customized web pages for them.
A server is a dedicated
device on a network that
performs a specific task. A
file server is a computer
dedicated to storing files while a
print server managers printers on a network.
Portal
A Web portal or public portal refers to a Web site or
service that offers a broad array of resources and
services, such as e-mail, forums, search engines, and
online shopping malls. The first Web portals were
online services, such as AOL, that provided access to
the Web, but by now most of the traditional search
engines have transformed themselves into Web portals
to attract and keep a larger audience.
Remote Desktop
Software
Remote Desktop, a function
included with Windows XP
Professional, enables you to
connect to your computer across
the Internet from virtually any computer, Pocket PC, or
smartphone.
Client
A client program is an
application that runs on a
personal computer or workstation
client
and relies on a server to perform
some operations. Many database programs allow to
install client software on numerous computers but keep
their data on a single server.
server
2
Download