COMPUTER NETWORKS

Hello, last week we studied about networks, now I can show you some types of it.

Computer networks are used to:

• Share resources.
•  Share information.
•  Sharing services.
•  Cost savings. 
•  Centralized Management

1.   There are four types of networks according to their size:

PAN:  Are uses to communicate devices for a few of metres.

LAN: Are uses to communicate devices in a house.

MAN: Are uses to communicate devices between cities.

WAN: Are uses to communicate devices between countries.

 2. There are networks according to their privacy:

Internet: is a global computer network

Intranet: is a network that uses internet tools

Extranet: is a virtual private network

3.   There are also networks peer to peer (P2P) or client- servers according to their relationship.

 

HELLO

QR CODE 


QR codes are a type of two-dimensional codes, the information is encoded in a box.
This table stores a lot of information and serves to:
- Advertising
-Business
-Marketing

You can read  a QR  code with a simple application for  your mobile phone.

         
MERRY CHRISTMAS!!!

 HELLO

PHUBBING


The phubbing is the act of belittling a person for pay more attention to your mobile phone or others devices.
This was created in 2007 with the used of the mobiles phone.
Pay more attention to the person, not to the mobile phone.

 Bye!!!!!

HELLO!!!!!

SELFIE


 A selfie  in the internet world refers to a self-portrait photografy is public online. You can found selfies in blogs, social networks........
The selfies typically include the photographer or a group of people, this is called selfie in group.
The number of self-portraits has grown up with social networks and mobile devices.

                  
  SEE YOU!!!

PERIPHERALS

We did a work about peripherals  in this work we spoke and we  learnt about:

•DEFINITION OF PERIPHERALS                 

•PORTS                                                              

•TYPES OF PORTS                                  

•DRIVERS

•TYPES OF PERIPHERALS       

•COMMUNICATION DEVICES

•STORAGE DEVICES

 

History of computer
                               
                                          TIMELINE                                
                                                                               

  

                                         

 

 

       

Some days ago we did a work of IT. I learn a lot of it.
In my work i write about:

• The definition of IT, characteristic, advantages, disadvantages, evolution, Ntic´s and communication, actual situation.........