Analog signals are characterized by continuous electrical signals in both time and value.
A: Correct
B: Wrong
A: Correct
B: Wrong
A
举一反三
- A voltage comparator can convert analog signals into digital signals. A: Correct B: Wrong
- A sensor is a kind of device which can convert electrical signals into excitation signals. A: Correct B: Wrong
- what is a digital signal? () A: discrete signals B: continuous signals C: both of a and b D: signals exist in the world
- analog signals
- Generally speaking, digital transmission can get higher signal quality than analog transmission, because? A: The repeater can regenerate digital pulses to remove signal distortion, and the amplifier amplifies the analog signal as well as the analog signal distorted B: Digital signals are smaller than analog signals and are not prone to distortion C: Analog signals are continuous and are not prone to distortion D: Digital signal is easier to sample than analog signal
内容
- 0
4. What are the advantages of digital signals, comparedwith analog signals?
- 1
Modem is only used to convert digital signals into analog signals and transmit them on the line.
- 2
Modem is only used to convert digital signals into analog signals and transmit them on the line. A: 正确 B: 错误
- 3
The module responsible for converting analog signals to digital signals is called________. A: BME280 B: CCS811 C: MQ-5 D: ADC
- 4
Analog signals include ( ). A: Sound B: Brightness C: Temperature D: Switch signal