Analog signals require more energy.
Analog=Constant flowing modulated
Digital is bursts of on/off binary data.
Answer: A
Explain:
you can use memory on a computer to retrieve passed data if your referring to brains memory that is memory of passed events
memory:1 the faculity by which the mind stores and members information
2 something remembered from the past a recollection
Pinhole cameras were one of the most sophisticated devices of the period, it made tasks much easier it basically worked exactly like the human eye and is something just like tracing.
Tendancy to crash hope that helped
<span> Create a large personal network online</span>
