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Sharing ideas through messages (Gmail) and maintain it.

People can share, view and edit the same information (Google Drive).

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Creating a site where we post information about something regulary. We can publish opinions and comments or send photos too (Blogger).

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Create a website where we can publish our proyect (Google sites or WordPress).

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We can desseminate, market or publicise our completed proyect with online presentation tools (Prezi) and sites for publishing presentations (SlideShare).

Also we can make videos and receive opinions (YouTube).

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They transmit information between two distant points thorugh electrical signals.

Signals are transmited by:

-Cables (wired communication).

-Waves (wireless communication).

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Three elements:

-Sender: Element that initiates the communication and sends the information.

-Channel: Physical medium that the information travels along.

-Receiber: Element that receives the information.

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It is the transmission capacity of a connection, indicating the network's quality and data transmission rate. It's defined as te amount of data transmited between two points in a determinated time.

Measured in bits per second(bps).

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The unwanted interaction between signals.

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It uses radio waves and lets us connect diverse types of electronic equipemt. It range can extend to 800m.

Wi-Fi routers receive the signal from the telephone company.

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Low-power devices with low coverage over a radio-frequency link. Its optimun range is 10m.

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Specific high- frecuency radio waves, which makes the signal directional.

Direct visual link between receiver and sender.

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Transmission technique based on the light rays moving in the infrared spectrum. It is used in short distances.

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Mobile telephony is a wireless system for communication through mobile phones, using base stations to connect. It offers portability and internet access.

5G, sucessor of 4G, offers faster speeds and quicker response times.

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It is hosted on a computer called "server".

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It checks its database for the IP address of the URL that we typed in the browser, allowing us to send information packeds to that address.

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A request is sent to the server to display the website. TCP/IP protocol makes computer and server understand each other.

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Our computer receives the packets and reconstructs the document to display it in our browser.

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Using the fastest path to send us the information packets. It reach us through our router.

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1.Protect your digital identity: the digital footprint

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1.Protect your digital identity: the digital footprint

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Digital footprint is all what you do on the Internet. This informations is your digital identity and you must take care of it.

You are protected by laws:

-The Data Proyection Act

-The Information Society Services Act

Think twice about what you are doind in the Internet, about what you search or what you post.

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2.Let's improve the online world through our attitude: Netiquette

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2.Let's improve the online world through our attitude: Netiquette

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We must be respectful of others when we are online, like in real life.

Avoid being trolls, people who hide behind their unknown identity to provoke.

Netiquette is a set of rules thet we should follow to behave correctly online.

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Privacity is the area of our private lives that we have the right to protect from any interference.

We must be careful with what we post online, but also with what we searche, what we click and what we download.

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Nowadays is realy easy to post information online, but no all is truthful. There are many fake fores, so you should:

-Investigate the source.

-Find who the author is.

-Obtain information from many different sources.

-Contrast information from different websites.

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5.Respect copyright and safeguard your own rights

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5.Respect copyright and safeguard your own rights

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Copyright is the law that protects the identity of authors of a published or unpublished work. This means that you should respect copyright, not using somebody texts or images without his/her consent.

When you use social media, you acept to waive some of your contacts by the privacity policy and terms of use that you accept, so you should read them.

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6.Use strong password, biometrics and two-factor authentication systems

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6.Use strong password, biometrics and two-factor authentication systems

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It is important to protect our user accounts.

Rules to create a strong password:

-It must be at least 8 characters long.

-It must have upper an lower case letters, including numbers or special characters.

-It must be memorable.

-You must use different passwords for different services.

More security ways:

-Biometrics: Biological measurementes as an identification.

-Two-factor authentication system: Second password

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7.Find out which network you are on when you connect to the Internet

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7.Find out which network you are on when you connect to the Internet

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When someone mistakenly connects to a fake network created by an attacker, he can steal his/her information without being noticed (man-in-the-middle attack).

To keep yourself safe, you should:

-Access secure websites with a certificate.

-Keep your software up to date.

-Avoid open networks or not carry out certain processes through them

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A company's software sold for profit. It is propietary.

Example: Microsoft Office.

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Software with no monetary cost but not free. It is propietary.

Example: Adobe Flash Player.

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Software that can be freely used, copied, modified and redistributed. It is an open source.

Example: LibreOffice.

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User licence with free sotware that can be modified or redistributed.

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A licende with packages distributed by the GNU Project. The author with the rights permits redistribution and modification under the same licence.