A consecutive approximation register is a concept utilized in the analog to digital conversion (inside the DMM). Although, when compared to an oscilloscope and the condition is the measurement of electrical voltage, the oscilloscope does a better job than the DMM. It is widely used and has replaced the Analogue Multimeter because of its ease of usage and more accuracy. A DMM or Digital Multimeter is an omnipotent device with lots of merits.
