The transfer of data from place to another place in the form of digital signal is called
a) sending device
b) receiving device
c) data transmission
d) communication device
Data is also transmitted from one computer to another computer through….
a) telephone lines
b) microwave system
c) satellite
d) all of these
A….device that is used to convert analog signal to digital signal.
a) modem
b) analog device
c) digital device
d) none of these
How many forms of signals?
a) one
b) two
c) three
d) four
Explanation: periodic signal, Aperiodic signal
A signal that completes a pattern within a measurable time frame is called…….
a) periodic signal
b) Aperiodic signal
c) analog signal
d) digital signal
A signal that changes constantly without a
pattern or cycle that repeats over time is called…….
a) periodic signal
b) Aperiodic signal
c) analog signal
d) digital signal
