UNIT 7:

VIRTUAL COMMUNITIES

is a social networkof individuals who interact through specific social media, potentially crossing geographical and political boundaries in order to pursue mutual interests or goals. Some of the most pervasive virtual communities are online communities operating under social networking services.

GMAIL

Gmail (pronounced Gee-mail) is a free Web-based e-mail service currently being tested at Google that provides users with a gigabyte of storage for messages and provides the ability to search for specific messages. The Gmail program also automatically organizes successively related messages into a conversational thread.

GOOGLE DRIVE

Google Drive is a free service from Google that allows you to store files online and access them anywhere using the cloud. Google Drive also gives you access to free web-based applications for creating documents, spreadsheets, and more. Watch this video from Google to learn more about how Google Drive works.

Creating files on Google Drive

Google Drive doesn't just store your files; it also allows you to create, share, and manage documents with its own productivity apps. If you've ever used a suite like Microsoft Office, some things about Google Drive's apps might seem familiar. For instance, the types of files you can work with are similar to files that can be created with various Microsoft Office programs.
These are the types of files you can create and share on Google Drive:

• Documents: For composing letters, flyers, essays, and other text-based files (similar to Microsoft Word documents)
• Spreadsheets: For storing and organizing information (similar to Microsoft Excel workbooks)
• Presentations: For creating slideshows (similar to Microsoft PowerPoint presentations)
• Forms: For collecting and organizing data
• Drawings: For creating simple vector graphics or diagrams

UNIT 6:

WEB CONTENTS

HTML

HTML is a computer language devised to allow website creation. These websites can then be viewed by anyone else connected to the Internet. It is relatively easy to learn, with the basics being accessible to most people in one sitting; and quite powerful in what it allows you to create. It is constantly undergoing revision and evolution to meet the demands and requirements of the growing Internet audience under the direction of the » W3C the organisation charged with designing and maintaining the language.

The definition of HTML is HyperText Markup Language.

• HyperText is the method by which you move around on the web — by clicking on special text calledhyperlinks which bring you to the next page. The fact that it is hyper just means it is not linear — i.e. you can go to any place on the Internet whenever you want by clicking on links — there is no set order to do things in.
• Markup is what HTML tags do to the text inside them. They mark it as a certain type of text (italicisedtext, for example).
• HTML is a Language, as it has code-words and syntax like any other language.

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

basics things about HTML

UNIT 5:

CONTENTS OF PRESENTATION

POWER POINT

PowerPoint is a complete presentation graphics package. It gives you everything you need to produce a professional-looking presentation. PowerPoint offers word processing, outlining, drawing, graphing, and presentation management tools- all designed to be easy to use and learn.

The following gives you a quick overview of what you can do in PowerPoint: 

• When you create a presentation using PowerPoint, the presentation is made up of a series of slides. The slides that you create using PowerPoint can also be presented as overhead transparencies or 35mm slides.
  
• In addition to slides, you can print audience handouts, outlines, and speaker's notes.
  
• You can format all the slides in a presentation using the powerful Slide Master which will be covered in the tutorial.
  
• You can keep your entire presentation in a single file- all your slides, speaker's notes, and audience handouts.
  
• You can import what you have created in other Microsoft products, such as Word and Excel into any of your slides.

UNIT 4:

DIGITAL AUDIO AND VIDEO

Digital audio is technology that can be used to record, store, generate, manipulate, and reproduce sound using audio signals encoded in digital form. Following significant advances in digital audio technology during the 1970s, it rapidly replaced analog audio technology in most areas of sound production, sound engineering and telecommunications.

 A sound wave, in red, represented digitally, in blue (after sampling and 4-bit quantization).

AUDACITY:  

Audacity is the name of a popular open source multilingual audio editor and recorder software that is used to record and edit sounds. It is free and works on Windows, Mac OS X, GNU/Linux and otheroperating systems.

Audacity can be used to perform a number of audio editing and recording tasks such as making ringtones, mixing stero tracks, transferring tapes and records to computer or CD, splitting recordings into separate tracks and more

there i add a tutorial of how to use audacity

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

how to use audacity?

Digital video is a representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images with analog signals.

OPEN SHOT

OpenShot Video Editor is a free, open-source video editor for Linux. OpenShot can take your videos, photos, and music files and help you create the film you have always dreamed of. Easily add sub-titles, transitions, and effects, and then export your film to DVD, YouTube, Vimeo, Xbox 360, and many other common formats

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

                                             Animated GIF Support

UNIT 3:

DIGITAL PHOTOGRAPHY

• GIMP

is a free and open source raster graphics editor used for image retouching and editing, free-form drawing, resizing, cropping, photo montages, converting between different image formats, and more specialized tasks.
 EDIT A PHOTO
First open your imagen whit gimp.
on the left you have a toolbox,tooloptions with many options.

Here I insert a tutarial I've done about editing photos with gimp:

EDITING WITH GIMP

• INSKAPE

is a free and open-source vector graphics editor it can create or edit vector graphics such as illustrations, diagrams, line arts, charts, logos and even complex paintings. Inkscape's primary vector graphics format is Scalable Vector Graphic (SVG) version 1.1While Inkscape can import and export several formats, all editing workflow must inevitably occur within the constraints of SVG format.
KOKESHI-DOLL

UNIT 2:

NETWORK SECURITY

is an organization’s strategy and provisions for ensuring the security of its assets and of all network traffic.


THE IP ADDRESS

is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the internet protocol for communication.

 

 

UNIT 1:

OPERATING SYSTEM

O.S is a type of software that translates users orders to the computer lenguage.

Bit :  0   1
1 byte= 8bits

aplications

S.O

HW

INFORMATION FLOW:




input , processing , output

1.INPUT pheripheral devices: keyboard,scanner,web cam, mouse:enter information



2.CREATING DELEITING: mother band , processor,memory


3.OUTPUT pheripheral devices: speakers,printer,plotter,screen
       

PHYSICAL STRUCTURE OF INFORMATION

TYPES OF HDD

• Hardware                                  

keyboard
webcam
mouse
speakers
pen drive
microphone
scanner
memory room
cd-room
hard disk hdd
dvd
mother board
processor
graphic card
sand card

• Software

operating system
aplications:

• excell
• calculator
• world
• paint
• dropbox
• buscaminas
• paintball