What are pixels and how do they contribute to digital images?

Pixels form digital images clearly.

• Tiny squares of color.

• Thousands create the image.

• Zooming reveals more detail.

The dimensions of an image are expressed in ___ by ___.

Width by height

True or False: The resolution of an image affects its quality, especially when enlarging.

True. Higher resolution means more detail, and enlarging a low-resolution image can result in a loss of quality.

Fill in the blank: Lossy compression reduces file size by removing some image ___.

Data

What is the primary difference between JPEG and PNG file formats?

JPEG is lossy; PNG is lossless.

• JPEG reduces file size.

• PNG maintains full quality.

• JPEG ideal for photos.

Riddle: I am a file format that stores images without losing any quality but takes up a lot of space. What am I?

RAW format

True or False: Continuous editing of a lossy file format like JPEG can lead to image degradation.

True. Each edit can remove more data, reducing the quality of the image over time.

What happens to an image's quality when it is resized larger than its original dimensions?

The quality typically decreases, resulting in blur and pixelation due to insufficient detail in the original image.

Fill in the blank: The file size of an image can be reduced using image ___.

Compression

What is the recommended practice when editing images to preserve the original quality?

It is advisable to keep the original files so that you can revert to them after making edits.