4.5.6.1 Bit Patterns, Images, Sound Quiz

What is the binary representation of the decimal number 2?

• 10

• 01

• 11

• 00

How is the file size of an image calculated?

What does 8-bit colour depth represent?

Which of the following file formats is typically associated with vector graphics?

What type of graphics is best suited for images that require resizing without quality loss?

What does a higher pitch in a sound wave indicate?

• Higher frequency

• Lower frequency

• Higher amplitude

• Lower amplitude

What is represented by the horizontal axis in a waveform diagram?

• Frequency

• Amplitude

• Wavelength

• Time

How is file size calculated?

• Sampling Rate x Bit Depth x Channels

• Sampling Rate x Bit Depth x Channels x Duration

• Bit Depth x Channels x Duration

• Sampling Rate x Channels x Duration

What is the main advantage of lossless compression?

• Reduces file size significantly

• No loss of data quality

• Ideal for serving images on the web

• Many tools available for this type of compression

What is a disadvantage of lossy compression?

• Zero loss in quality

• Compressed files are still large

• Quality can be degraded

• Reversible image reconstruction