IT Fundamentals: Chapter 2

Front

What are the common file extensions used for audio files? Options: mp4, avi, wav, mov

Back

wav

Front

Emma, Evelyn, and Aria are working on a school project where they need to include a video file. Which file extension should they look for while searching for video files?

Back

mp4

Front

True or False: Bit depth is how many bits are used to encode each individual sample in an audio recording

Back

True

Front

True or False: Color depth is the measure of how many pixels are in each individual image in a picture or video.

Back

False

Answer explanation

Resolution

Front

True or false: Computer monitors are made up of tiny red, green, and blue lights

Back

True

Front

In terms of processing speed, would you rather have a Hertz, Megahertz, or Gigahertz?

Back

Gigahertz

Front

What causes sound?

Back

vibrations

Front

True or False: Audio and image files use Lossless compression to take advantage of the limitations of human sight and hearing

Back

False

Answer explanation

lossy

Front

True or false: Sampling rate is a measure of how many samples are made from an audio wave each second

Back

True

Front

Oliver, Sophia, and Benjamin are working on a school project where they need to use a file extension that is commonly used for both audio and video files. Which file extension should they use?

Back

mp4