A sensor is a kind of device which can convert electrical signals into excitation signals.
A: Correct
B: Wrong
A: Correct
B: Wrong
举一反三
- A voltage comparator can convert analog signals into digital signals. A: Correct B: Wrong
- Analog signals are characterized by continuous electrical signals in both time and value. A: Correct B: Wrong
- Digital signals are characterized by continuous electrical signals in both time and value. A: Correct B: Wrong
- Audio card can convert analog audio signals to digital form which can be stored as a computer audio file.
- Modem is only used to convert digital signals into analog signals and transmit them on the line.