session 25
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session 19
a)Find out the most common formats for images and write a shortdescription of the features of each of them Let us tackle the five most common image formats for the web and computer graphics: JPEG, GIF, BMP, TIFF and PNG. JPEG JPEG is short for Joint Photographic Experts Group, and is the most popular among the image formats used on the web. Pros of JPEG: 24-bit color, with up to 16 million colors Rich colors, great for photographs that need fine attention to color detail Most used and most widely accepted image format Compatible in most OS (Mac, PC, Linux) Cons of JPEG: They tend to discard a lot of data After compression, JPEG tends to create artifacts Cannot be animated Does not support transparency ...
SESSION 31
A.BIOS (Basic Input/Output System) 1. BIOS stands for Basic Input/Output System. B .Microprocessor 3. The picture above shows the inside of a microprocessor at work. The microprocessor, (also called the central processing unit), is the brain of the computer. C.Drive Bays 4. Drive bays are where the computer's drives are installed. CD-ROM and DVD-ROM drives can only play disks. D.Memory 7. A memory module has several memory chips. The computer uses this memory constantly to temporarily store information, (or data), while it is working with it. E.Case Fan 5.Computer's can build up quite a bit of heat. Heat is bad for computers. F.Chipset 2. The chipset is the chip, or set of chips, that direct the motherboard's flow of information from one point to another. G.Sound Card The sound card is what handles the computer's sound. H. Power Supply 9. The power supply supplies the electrical power for a computer....
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