```
#!/usr/local/bin/python3
foo = float( input( "Enter a number: " ) )
if( foo < 0.0 ):
print( "negative" )
elif( foo > 0.0 ):
print( "positive" )
else
print( "zero" )
exit( 0 )
```
Answer:
The hippocampus, a subcortical brain structure crucially involved in storing new information in memory, is smaller in people with schizophrenia and their first-degree relatives (parents and siblings) than in control participants.
Answer: Protocol
Explanation: Protocol is the standard that is used in the communication and electronic devices for the communication. Through the mean of the these guidelines the communication is done by the sending and receiving of the data.
This works for the both wired networking and wireless communication which functions under the certain conditions.Examples-TCP(Transmission control protocol), FTP(File transfer protocol) etc.