Which effect can be achieved by setting all RGB channels of a pixel to the same value?
A). Sepia tone effect
B). Blur effect
C). Grayscale conversion
D). Color inversion effect
Which effect can be achieved by increasing the contrast between adjacent pixels?
A). Sharpening effect
B). Sepia tone effect
C). Color inversion effect
D). Blur effect
Which statement is true about the performance impact of image filters and effects using pixel manipulation?
A). They always improve performance
B). They have no impact on performance
C). They often reduce performance
D). Performance impact depends on image size
Which channel is primarily responsible for controlling image transparency?
A). Red channel
B). Green channel
C). Blue channel
D). Alpha channel
What is the purpose of applying color gradients in image editing?
A). To add texture
B). To blend colors and create transitions
C). To reduce image size
D). To add noise to images
Which technique can be used to create a vignette effect in photography?
A). Adjusting image brightness
B). Blurring image edges
C). Adding color gradients
D). Applying a sepia tone effect
How does the color depth of an image affect the quality of image filters and effects?
A). Higher color depth results in better quality
B). Lower color depth results in better quality
C). Color depth has no impact on quality
D). Color depth affects image size only
How can a sepia tone effect be achieved using pixel manipulation techniques?
A). By increasing color saturation
B). By adjusting RGB channel values
C). By decreasing image brightness
D). By applying a blur effect
What is the purpose of applying image filters and effects using pixel manipulation techniques?
A). To increase image resolution
B). To enhance image appearance
C). To reduce image size
D). To add text to images
Which filter is commonly used to reverse the colors in an image?
A). Grayscale filter
B). Color inversion filter
C). Sepia tone filter
D). Blur filter