Applying image filters and effects using pixel manipulation techniques Mockest | HTML

1.

Which method is commonly used to manipulate individual pixels in an image?

A). alterPixel() B). setPixel() C). adjustPixel() D). modifyPixel()

2.

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

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3.

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

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4.

Which channel is primarily responsible for controlling image transparency?

A). Red channel B). Green channel C). Blue channel D). Alpha channel

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5.

What is the purpose of the blur effect in image processing?

A). To enhance image edges B). To reduce image noise C). To soften and blend image details D). To increase image contrast

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6.

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

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7.

Which statement best describes the sharpening effect in image editing?

A). It increases image size B). It reduces image contrast C). It enhances image edges D). It adds noise to images

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8.

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

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9.

What happens when the alpha channel value of a pixel is set to zero?

A). The pixel becomes transparent B). The pixel becomes opaque C). The pixel becomes white D). The pixel becomes black

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10.

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

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Applying image filters and effects using pixel manipulation techniques Mocktest

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