Given an 8-bit grayscale bitmap that is 256 x 512, how many bytes will be required to hold the image data only? If it is an 8-bit color bitmap? If it is a 24-bit bitmap?

Given a mono wave file that is 8 bits per sample and is sampled at 16000 samples/second, how many bytes are required to hold the audio data if the message is 2 minutes long? Given a 16-bit stereo wave file?

A 16-bit grayscale file has _____ levels of luminance.

If an image has 4 bits for each RGB channel, how many different color combinations are possible?