What type of device is shown in the given figure, and what inputs (A3,A2,A1,A0) are required to produce the output levels as shown?

A decimal-to-BCD encoder; 1,1,1,0

A binary-to-decimal encoder; 0,1,1,1

A decimal-to-binary decoder; 1,1,1,0

A BCD-to-decimal decoder; 0,1,1,1

What type of device is shown in the given figure, and what inputs (A3,

1.	What type of device is shown in the given figure, and what inputs (A3,A2,A1,A0) are required to produce the output levels as shown?
A.	A binary-to-decimal encoder; 0,1,1,1
B.	A decimal-to-binary decoder; 1,1,1,0
C.	A BCD-to-decimal decoder; 0,1,1,1
D.	A decimal-to-BCD encoder; 1,1,1,0
Answer» D. A decimal-to-BCD encoder; 1,1,1,0