jpeg takes up less
A GIF does the same as a JPEG just uses less space and can be used in different programs
JPEG is not a loss less image format. When it is copied, it starts to degrade.
Raw loses less data but takes up more space. JPEG will match neighboring pixels so that it looks the same but takes up fewer ones and zeroes In storage.
Yes, generally speaking JPEG compresses best of all graphic formats (with loss of image information).
This is dependent on what file format used as well as the amount of compression used. The two main formats that digital cameras use to take photographs are RAW and JPEG though not all cameras have the option to shoot in RAW. RAW takes up more space than JPEG as it is less compressed and contains more data. If shooting in JPEG the size of the images depends still on the amount of compression used. Many cameras that offer RAW also offer the option to shoot simultaneously in RAW and JPEG. This option takes up even more space.
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It's a file extension for graphic files with the certain method of compression. Usually jpg files take less disk space then, for instance, tiff files. The extension JPG refers to JPEG files. The E is omitted to fit it into the (deprecated) 8.3 file name notation. JPEG" stands for Joint Photographic Experts Group, the name of the committee that created the image standard. The group was organized in 1986, issuing a standard in 1992, which was approved in 1994 as ISO 10918-1. JPEG is distinct from MPEG (Moving Picture Experts Group), which produces compression schemes for video. The JPEG file format is a compressed format, with some loss of quality during compression. It is a popular web format due to the generally smaller size of files compared to other formats. File extensions are .jpg, .jpeg, and .jpe.
Taking your photos in a RAW file format (if your camera has this feature) is recommended. As for storing - if you have no intention of further editing the photo then I recommend you store in JPEG format (aka JPG) which is a compressed file and so takes up less room on your hard drive.
There are about 30+ formats, but lets focus on jpeg, bmp, & png. I'll go from worst to best. jpeg is not good for graphics at all. Ever the highest quality jpeg brings noise and sometimes blur to your graphic. (highly not recommended for graphics.) bmp or bitmap is good for graphics, no blur or noise. It's clear down to the pixel. The problem with bmp is that the coding is very long. 2 - 70+ times larger of a file compared to a jpeg. (Not really recommending this for graphics.) png or Portable Network Graphics is the ideal file format for graphics. png is as high of quality as bmp, but it can even have transparency in it. Transparency is needed for mostly all graphics. Also png is half to a third less coding than jpeg format. (Highly recommended for graphics.)
If you want to make an image look less fuzzy try saving it as a .png
A GIF animation is essentially a flipbook, it is several frames put together in order to "simulate" animation. Gif animations are often crude and low resolution. Flash anim. on the other hand is made with Dreamweaver (or some other program), where the possibilities of creation(animation) are endless :)
There is none in terms of file format. It's like the difference between .jpg and .jpeg or .htm and .html - the file type is exaclty the same, but some computers (reeeaaaly old ones from decades ago) can only support file extensions of three characters or less. Those computers aren't normally used.MPEG is a vedio format whereas jpeg is a picture format. Their acronyms are "Motion picture Experts group" and "Joint photographic Experts group" respectively.