Engine 2014: Electricity

1. A A high speed solid- state switching device called a multiplexer capable scanning a large number of analog sensors in a short period of time and converting these signals to digital values for processing by the CPU.
2. B A high speed solid-state switching device called a multiplexer capable scanning a large number of digital sensors in a short period of time and converting these signals to analog values for processing by the CPU.
3. C A low speed solid-state switching device called a multiplexer capable scanning a small number of analog sensors in a long period of time and converting these signals to digital values for processing by the CPU.
4. D A low speed solid-state switching device called a multiplexer capable scanning a small number of digital sensors in a long period of time and converting these signals to analog values for processing by the CPU.

Tip: press A-D to answer