3. Design the logic circuit corresponding to the truth table shown in Table.

A

0

0

0

0

1

1

1

1

BCX

OOF

0

0

1

1

0

OO

0

1

1

010

1

0

1

1

0

1

0

0

1 1

1

1

0

4. A four-bit binary number is represented as A3A₂A₁A0, where A3, A2, A₁, and Ao

represent the individual bits and A₁ is equal to the LSB. Design a logic circuit that

will produce a HIGH output whenever the binary number is greater than 0010 and

less than 1000.