Tuesday 5 April 2016

SESSION 19

a) Find out the most common formats for images and write a short description of the features of each of them:

There are a lot of format of images but the more important ones are:
JPEG:is a lossy compression method;
PNG:The PNG file format supports eight-bit paletted images (with optional transparency for all palette colors) and 24-bit true color (16 million colors) or 48-bit true color with and without alpha channel.
GIF: is for common usage limited to an 8-bit palette, or 256 colors 

b)wich image format perserves the quality better when it is compressed?
jpeg
Which formats are more suitable for web design?
JPEG, GIF

c) Which formats are more suitable for web design?
The most common ones are: JPEG, GIF, BMP, TIFF and PNG.

2-

1.   Find pictures of the school in the internet, and create a slideshow (album) with them, using FLICKR. Then upload it to your blog 
ICARIA

2.    View the tutorial on how to use Slideshare.

Slideshare allows you to make slide presentations of powerpoint and pdf files. If you have a power point presentation about a school subject, upload it to Slideshare. Or create a short power point (max. 3 slides) about a topic you like. Then embed it in your blog.


Wednesday 16 March 2016

SESSION 14

1- A person that steals data on internet.
2-they cause problems and destoy information of the computer
3-router directs packets trough the internet
4-they can be lost or stolen and people can read the information

TASK 2:
Zimbabwe:
HIV is a virus of human inmune deficiency and it causes AIDS
4.000.000 people in the word have AIDS.
12millons population live and 1 in very 4people are infected with HIV.
to slow the spread of the virus Zimbabwe is devolping programs of prevention treatment.

TASK 3:
YOU MUST
YOU MUSN’T
YOU SHOULD
YOU SHOULDN’T
Be careful with what you publicate or say
Enter to dangerous pages.
keep private your profile.
Talk with people you don’t know.
Follow the rules
Send virus to other users or hacker another computer
Be carefully and respectfully.
Insult other users.
Respect the users
Publicate photos that can compromise yourself
Don’t do irresponsible things, be responsible.
Publish compromising photos.

SESSION 12

My School