Tuesday, April 19, 2016
Friday, April 15, 2016
Friday, April 8, 2016
Session 19: Image formats, storing, publishing and sharing
1.
a) JPEG:
24-bit color, with up to 16 million colors.
Rich colors, great for photographs that needs fine attention to color detail.
Most used and most widely accepted image format.
Compatible in most OS (Mac, PC, Linux).
GIF:
Can support transparency.
Can do small animation effects.
‘Lossless’ quality–they contain the same amount of quality as the original, except of course it now only has 256 colors.
Great for images with limited colors, or with flat regions of color.BMP:
Works well with most Windows programs and OS, you can use it as a Windows wallpaper.TIFF:
Very flexible format, it supports several types of compression like JPEG, LZW, ZIP or no compression at all.
High quality image format, all color and data information are stored.
TIFF format can now be saved with layers.PNG:
Lossless, so it does not lose quality and detail after image compression.
In a lot ways better then GIF. To start, PNG often creates smaller file sizes than GIF.
Supports transparency better than GIF.
b) The JPEG format.
c) The TIFF format.
2.
Flickr
Can do small animation effects.
‘Lossless’ quality–they contain the same amount of quality as the original, except of course it now only has 256 colors.
Great for images with limited colors, or with flat regions of color.BMP:
Works well with most Windows programs and OS, you can use it as a Windows wallpaper.TIFF:
Very flexible format, it supports several types of compression like JPEG, LZW, ZIP or no compression at all.
High quality image format, all color and data information are stored.
TIFF format can now be saved with layers.PNG:
Lossless, so it does not lose quality and detail after image compression.
In a lot ways better then GIF. To start, PNG often creates smaller file sizes than GIF.
Supports transparency better than GIF.
b) The JPEG format.
c) The TIFF format.
2.
Flickr
Wednesday, March 16, 2016
Session 14: Internet safety
1.
1.A hacker is someone who seeks and exploits weaknesses in a computer system or computer network.
2.A virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive.
3.A router is a networking device that forwards data packets between computer networks.
4.That hackers and viruses can corupt or steal the information.
In Haiti lots of people do not have acces to clean drinking water. Because of that, a lot of people die from deshidratation and illnesses. To have clean drinking water at house is good because with that we can spend money on other things. For this problem there are filtration systems that can turn poor water into drinkable water. Unfortunately, not everyone has the money to buy one. For this, take action immediately.
1.A hacker is someone who seeks and exploits weaknesses in a computer system or computer network.
2.A virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive.
3.A router is a networking device that forwards data packets between computer networks.
4.That hackers and viruses can corupt or steal the information.
2.
Haiti
Haiti is a small country located on a small island in the Caribbean Sea, bordered by the Dominican Republic.
In Haiti lots of people do not have acces to clean drinking water. Because of that, a lot of people die from deshidratation and illnesses. To have clean drinking water at house is good because with that we can spend money on other things. For this problem there are filtration systems that can turn poor water into drinkable water. Unfortunately, not everyone has the money to buy one. For this, take action immediately.
3.
You must use an antivirus to prevent viruses.
You shouldn't chat with unknown people.
You shouldn't chat with unknown people.
You mustn't send personal information to unknown people.
You should turn off your computer when you finish to use it.
You should turn off your computer when you finish to use it.
You should be careful when you search information.
Friday, March 4, 2016
Tuesday, March 1, 2016
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