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Graphics Interchange Format: Quiz


Question 1:
What entity owns Graphics Interchange Format?

Question 2: The Graphics Interchange Format (GIF) is a bitmap image format that was introduced by ________ in 1987 and has since come into widespread usage on the World Wide Web due to its wide support and portability.
AOLNetscapeCompuServeAOL Desktop

Question 3: The format supports up to 8 bits per pixel allowing a single image to reference a palette of up to 256 distinct colors chosen from the 24-bit ________ color space.
Digital cameraColor photographyDigital photographyRGB color model

Question 4: GIF images are compressed using the ________ (LZW) lossless data compression technique to reduce the file size without degrading the visual quality.
LZ77 and LZ78Audio compression (data)DEFLATELempel–Ziv–Welch

Question 5: ________ introduced the GIF format in 1987 to provide a color image format for their file downloading areas, replacing their earlier run-length encoding (RLE) format, which was black and white only.
CompuServeAOL DesktopNetscapeAOL

Question 6: In the 1990s, ________ designed the Netscape Application Block,[9] which indicates that a GIF file is an animation instead of a static image.
Internet ExplorerNetscapeNetscape (web browser)Netscape Navigator

Question 7: The GIF format is still preferred for animation over PNG, although true ________ are under development by Mozilla and are supported in Firefox 3.
Graphics Interchange FormatMultiple-image Network GraphicsJPEG 2000APNG

Question 8: Many techniques, collectively called ________, have been developed to approximate a wider range of colors with a small color palette by using pixels of two or more colors to approximate in-between colors.
Digital signal processingAnti-aliasingDitherPalette (computing)

Question 9: GIF is palette-based: the colors used in an image (a frame) in the file have their ________ values defined in a palette table that can hold up to 256 entries, and the data for the image refer to the colors by their indexes (0–255) in the palette table.
Digital photographyColor photographyDigital cameraRGB color model

Question 10: Older versions of ________ do not support all features of PNG.
Internet Explorer MobileMicrosoft WindowsDirectXInternet Explorer


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