555555555527. When is a level-shifter circuit needed in interfacing logic? (a) A level shifter is always needed. (b) A level shifter is never needed. (c) when the supply voltages are the same (d) when the supply voltages are different
Logic Probe » Exercise - 1 1. A simple-to-use instrument often used to detect logic levels is the ________. (a) logic meter (b) logic pulser (c) logic probe (d) logic comparator