Como limpar paineis solares fotovoltaicos

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Parabéns turma 224.

Gostei muito da nossa apresentação.

Apesar de ser tudo em cima do joelho, foi cinco estrelas

Glossary

Bot (short form of robot)
A software program that autonomously performs functions on the Internet, such as indexing information on Web sites. Also known as spider and crawler. You will see visits to your Web site.


Browser
The computer program used to view Web pages.Common browsers are Internet Explorer, Netscape, Opera, and Safari.

Byte
A set of bits that represent a single character, or piece of digital information. Usually there are 8 bits in a byte.
blog (Abbreviation for weblog)
A publicly accessible personal journal stored on a Web site.

CD-R drive (Compact Disk Recordable drive)
A type of disk drive that can copy files onto recordable CD-ROM disks.

CD-ROM (Compact Disk Read Only Memory)
A type of optical disk capable of storing large amounts of data.

CD-ROM player or drive
A device that can read information from a CD-ROM.

Cookie
A small string of text sent by a Web server to a user's browser. It identifies that user should they return again. The Web server may use the cookie to customize the display it sends to the user, or it may keep track of the different pages within the site that the user accesses.


Copyright
Copyright protects intellectual property, conferring ownership to the creator of the creative work upon creation. Examples of intellectual property covered under copyright include text (poem, story, novel, lyric, computer code etc), images (photos, graphics and illustrations), music, etc.

DNS (Domain Name Server)
Used to map names to IP addresses and vice versa. Domain Name Servers maintain central lists of domain name/IP addresses and map the domain names in your Internet requests to other servers on the Internet until the specified web site is found.

Download
To transfer bits of information from one remote computer to your own.

Dynamic IP
An IP address assigned to your computer or network by your ISP that changes every time you connect to the Internet.

Email (electronic mail)
Messages sent from one person to another via computer. Email messages can be sent as plain text, or visually formatted using HTML. Email can also sent to group of people on a mailing list.

Ethernet
A common method of linking several computers together into a network, using copper cables.

Firewall
A software or combination hardware/software system that prevents unauthorized entry into a computer or network of computers.


Format
The preparation of a storage medium such as a hard drive to receive information. Also used in reference to text that has visual formatting applied to it, such as changes in font, color, size, etc.

Frames
A method used within a Web page that allows the page to subdivided into independent areas where separate files can be displayed. This Glossary is a framed page, with the navigational index in one frame, and definition in another.

Hacker
Someone who changes code, usually in an unauthorized manner. Also used to refer to legitimate programmers.

Home page
Usually the first page of Web site.

HTML(HyperText Markup Language)
The tag format language used to create documents on the Web.

HTML email
Web pages embedded into emails.

HTTP (HyperText Transfer Protocol)
The protocol used to transfer Web pages over the Internet.

IP (Internet Protocol) address
A device’s unique number used as an identifier when connected to the Internet. For example, the IP address of this Web site is 206.47.4.33.

LAN (local-area network)
A connection or computers, a network of computers, over a relatively small area.

Modem ( MOdulator-DEModulator)
A hardware device or program that enables a computer to transmit data over analogue telephone lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analogue waves. A modem converts between these two forms.


NET
A Microsoft XML Web services platform. XML Web services allow applications to communicate and share data over the Internet, regardless of operating system, device, or programming language.

Password
A code word used to gain entry to a secure program or website and to prevent unauthorized access. Usually used in conjunction with a user name or ID.

Ping
A digital signal that is sent to, and returned from, a server, somewhat like a digital form of radar or sonar. Ping is used to ascertain if an IP address is working and accessible.

Spam
Unsoliticed email messages of a commercial nature. Also refers to inappropriate promotional or commercial postings to discussion groups or bulletin boards.

Spyware
Software that covertly gathers user information through the user’s Internet connection.

USB (Universal Serial Bus)
Standard hardware ports and connectors that allow you to connect external devices, such as scanners, printers, to your computers.

Upload
To transfer data from your computer to another.

Virus
A malicious and often destructive piece of code or a program that can copy itself onto a computer hard drive, reproduce itself and then execute any number of commands, including sending copies of itself to other computers, or even erasing everything from your hard drive.

Web browser
Applications used to locate and display internet pages. Internet Explorer and Netscape Navigator are the most popular.


Wireless
The use of radio frequencies to transmit and receive digital signals to devices such as computers and handheld devices.

WLAN (Wireless Local Area Network)
A wireless network that uses high-frequency radio waves rather than wires to communicate between electronic devices.

Worm
Similar to viruses, worms are malicious and often destructive pieces of code that replicate and can damage a computer, or generate so many copies of itself that it can slow down transmission of data over a network.

Source: Glossary

Authors: Bruno Salgado e João Correia

Proteger Crianças e Jovens Destes Riscos Online?

A segurança de crianças e adolescentes na Internet é hoje alvo da atenção de famílias, escolas e comunidades. Isto para não falar de governos (locais e centrais), empresas do sector das tecnologias de informação, órgãos de comunicação social, etc.

Perigos reais para crianças e jovens na utilização da Internet.

De acordo com o relatório final de um programa piloto financiado pela Comissão Europeia em 1999, no âmbito do seu Plano de Acção Para a Utilização Segura da Internet, as preocupações com os perigos associados à utilização da Internet por crianças e jovens, são bem reais e podem ser agrupados em três categorias:

Conteúdos impróprios, legais ou ilegais, tais como a pornografia, pornografia infantil, violência, ódio, racismo e outros ideais extremistas, estão facilmente disponíveis a crianças e jovens através de uma grande variedade de dispositivos.

Para além de poderem ser inadequados e prejudiciais a um desenvolvimento harmonioso, podem mesmo ofender os padrões e valores segundo os quais pretende educar os seus filhos ou educandos.