A system is said to beÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â if it is possible to transfer the system state from any initial state to any desired state in finite interval of time.

A system is said to beÂ Â Â Â Â Â Â Â Â Â Â Â�

1.	A system is said to beÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â if it is possible to transfer the system state from any initial state to any desired state in finite interval of time.
A.	controllable
B.	observable
C.	cannot be determined
D.	controllable and observable
Answer» B. observable