Design and verify the 4- Bit Synchronous/ Asynchronous Counter using JK flip flop

In digital logic, a counter is a device which ____________
A counter circuit is usually constructed of ____________ .
Ripple counters are also called ____________ .
The parallel outputs of a counter circuit represent the _____________ .
What is the maximum possible range of bit-count specifically in n-bit binary counter consisting of ‘n’ number of flip-flops?