A micro programmed control unit
(a) is faster than hardwired control unit
(b) facilitates easy implementation of new instructions
(c) is useful when very small programs are to be run
(d) usually refers to the control unit of microprocessor
This question was posed to me in an interview.
Query is from Computer Aided Synthesis of Four Bar Mechanism With Coupler Point topic in portion Computer Aided Analysis and Synthesis of Mechanisms of Machine Dynamics