COMPUTER NETWORKING

MULTIMEDIA AND QUALITY OF SERVICE

COMPRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What file extension can be used to save raster images?
A
.jpeg
B
.doc
C
.xls
D
.wav
Explanation: 

Detailed explanation-1: -Popular types of raster files include JPEG, PNG, and GIF images. However, because their pixel number is fixed, raster images can become distorted or blurry when resized to fill a bigger or smaller space.

Detailed explanation-2: -JPG is a digital image format which contains compressed image data. With a 10:1 compression ratio JPG images are very compact. JPG format contains important image details. This format is the most popular image format for sharing photos and other images on the internet and between Mobile and PC users.

Detailed explanation-3: -JPEG (.jpg, .jpeg) JPEG files are very common on the Internet and JPEG is a popular format for digital cameras-making it ideal for web use and non-professional prints. Special Attributes: Can choose amount of compression when saving in image editing programs like Adobe Photoshop or GIMP.

Detailed explanation-4: -JPEG (or JPG) [Lossy, Direct] PNG-8 [Lossless, Indexed] PNG-24 [Lossless, Direct] GIF [Lossless, Indexed] BMP [Lossless, Index or Direct] TIFF (or TIF) [Lossless, Index or Direct] 13-Feb-2019

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