The most fundamental type of machine instruction is the _________ instruction.

Analog waves are still important because

a. they have a better shape than digital waveforms. b.physical processes like sound waves are analog. c. digital waveforms cannot be created from things like vinyl recordings d. they are produced by analog to digital conversion.

What type of cameras have a lens with a preset focal length that focuses well on objects within a specific distance?

a.Autofocusing b.Fixed-focus c.Macro d.Optical zoom