16
12
6
10
cannot have more than 19 nodes
has exactly 19 nodes
has exactly 17 nodes
None of these
log (n+1)-1
log(n)
log (n-1) + 1
log(n) + 1
Processor and memory
Complexity and capacity
Time and space
Data and space
Counting microseconds
Counting the number of key operations
Counting the number of statements
Counting the kilobytes of algorithm