Unit 3: Data Representation: Lossy Compression Flashcards
(6 cards)
Lossy compression removes quality that can be put back. True or False?
False
Lossy compression permanently removes some data, making it impossible to restore the original quality.
The number of pixels in an image is called …….?
Resolution
Resolution defines the detail an image holds, typically measured in pixels.
If you increase the sample rate of a sound file you make the quality?
Better
A higher sample rate captures more detail in the sound, improving quality.
If you increase the number of pixels in an image you.
Increase the file size
More pixels generally mean more data, leading to larger file sizes.
Colour depth refers to?
The number of colours that can represent a pixel
Colour depth affects the range of colours displayed in an image.
We compress files so they cannot be read. True or False?
False
Compression is used to reduce file size while keeping the data readable.