Mastering full-custom layout design

What is a DAC?
Digital-to-analogue converter; a device that converts digital pulses to analogue signals (current, voltage or electric charge).

What is an ASIC?
An application-specific integrated circuit (ASIC) is an IC that is customised for a specific application (end product or a closely related family of end products), such as a chip which is designed to run a cellular handset.

What is an ADC?
ADC stands for analogue-to-digital converter. It is an electronic device that converts input analog voltage to a discrete digital number.
Applications include anything that involves the processing of analogue signals into digital form.