Which can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be a result of a predefined attribute?$

Which can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be a result of a

1.	Which can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be a result of a predefined attribute?$
A.	A value
B.	A function
C.	An entity
D.	A signal
Answer» D. A signal