...answer. Thx
? *** is my guess for the answer. Please help me check thank you
1. Which of the following categories of EIA-232 signals uses negative logic?
a. Data Signals
b. Timing Signals. ***
c. Control Signals
d. Ground Signal.
2. Which digital-to-digital encoding signal has zero DC value for all kinds of data?
a.NRZ-L
b.AMI
c.Manchester ***
d.NRZ-I
3.For the same data rate, the spectrum of ___________ code is the biggest.
a.NRZ-L
b.Manchester ***
c.NRZ-I
d.Bipolar AMI
? *** is my guess for the answer. Please help me check thank you 1. Which of the following categories of EIA-232 signals uses negative logic?
a. Data Signals
b. Timing Signals. ***
c. Control Signals
d. Ground Signal.
2. Which digital-to-digital encoding signal has zero DC value for all kinds of data?
a.NRZ-L
b.AMI
c.Manchester ***
d.NRZ-I
3.For the same data rate, the spectrum of ___________ code is the biggest.
a.NRZ-L
b.Manchester ***
c.NRZ-I
d.Bipolar AMI