They are examples of constraints.
Answer:
Alphabet and digits
Explanation:
A digit cannot be placed at the start of a variable name, but it can be used after the first character has been placed
Answer:
The type of b is bool ( B )
The type of c is int ( C )
The type of d is int ( D )
Explanation:
The options that must hold zero are: The type of b is bool,The type of d is int and The type of c is int.
If b is true then c or d is true because c and d are int. this is because b been a true/false means that d and c are boolean int. because d and c are assigned to integers
Answerthats nice
(: -With Star
Explanation: