Answer: the third one
Explanation:
just trust me, the other ones dont mke sense to what I know about the subject, which is a lot
Digital signals (usually binary coded) can include extra information that can be used for error detection or even correction. This allows recovery of the original signal, either by requesting retransmission or by directly correcting the error.
<span>analog signals can't include any extra information needed for this purpose. it is impossible to distinguish an error from the original data.
cited:</span>http://www.answers.com/Q/Which_has_greater_resistance_to_transmission_errors_Binary_signaling_or_Ana...
Answer:
Bluetooth
Explanation:
Bluetooth is a wireless technology which has a transfer rate of 1 Mbps to 3 Mbps that to up to the distance of 10 meters.
In 2000's Bluetooth was used to exchange data without using wires or cables over short distances.
Nowadays it is not used to exchange data.There are more faster technologies present to do that now.But it is still popular to devices like speakers,headphones etc which can be connected by Bluetooth without using wires.
It uses UHF radio waves.
Answer:
17
Explanation:
For a binary tree with h levels, the maximum number of nodes is 2ʰ − 1.
2ʰ − 1 ≥ 100,000
2ʰ ≥ 100,001
h ≥ log₂ 100,001
h ≥ 16.6
The smallest number of levels required to store 100,000 nodes is 17.
