The most serious security threat to Bluetooth-enabled devices is 
, which occurs when a hacker gains access to the device and its functions without the owner's consent.
Answer:
num = int(input("Enter a number: "))
if (num % 2) == 0:
print("{0} is Even number". format(num))
else:
print("{0} is Odd number". format(num))
Answer:
How did technology affect the growth of cities and housing within them? ... Advances in technology and greater business efficiency and productivity further expanded the variety of goods and services within their reach. The growing middle class also supported an expansion of higher education.
Explanation:
Answer: Multi-user issue
Explanation: A database management system scheme can have multi-user issue when the designing of the system is not made properly. The multi user issue rises when the users concurrently access the data from the database and related error get invoked due to some reason like repeatable reading issue, serialization, etc.
The reading problem is usually can be related to reading of the database in uncommitted manner, uncommitted reading, repeatedly reading etc.Thus, Cora and Owen are accessing the database concurrently which can create multi-user issue.
