The 4-bit multi-function register (Q) employed in the following logic circuit has two control inputs (S1, So). This register can perform four functions depending on the values of S1 and So, as described in the following table: so s1 Function Hold Q Value Clear Q Decrement Q 11 Load parallel Input Q3 Q2 Q, Qo BD A S, Out; Out, Out, Out, So C In, In, In, In. Clock I; 1 I, 1, Register Q is controlled by three external signals A, B and C through the gates showl in the logic diagram. I = (13l2|1|0) is the register inputs and Q = (Q3Q2Q1Q0) is the output (content) of the register. What will be the new value of Q after the clock pulse in the following scenarios:

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The 4-bit multi-function register (Q) employed in the following logic circuit has two
control inputs (S1, So). This register can perform four functions depending on the
values of S1 and So, as described in the following table:
so s1
Function
Hold Q Value
1
Clear Q
Decrement Q
Load parallel Input
1
1
Q, Qo
A
B
C
S, Out; Out, Out, Out,
So
In, In, In, In,
Clock
I; , I, 1,
Register Q is controlled by three external signals A, B and C through the gates shown
in the logic diagram. I = (I3l2|110) is the register inputs and Q = (Q3Q2Q1Q0) is the
output (content) of the register. What will be the new value of Q after the clock
pulse in the following scenarios:
1) If Q = 1111, I = 1111, A = 1, B = 1, and C = 1
2) If Q = 0001, I = 1000, A = 0, B = 0, and C = 0
3) If Q =1010, I = 0101, A = 0, B = 1, and C = 1
Blank # 1
Blank # 2
Blank # 3
Transcribed Image Text:The 4-bit multi-function register (Q) employed in the following logic circuit has two control inputs (S1, So). This register can perform four functions depending on the values of S1 and So, as described in the following table: so s1 Function Hold Q Value 1 Clear Q Decrement Q Load parallel Input 1 1 Q, Qo A B C S, Out; Out, Out, Out, So In, In, In, In, Clock I; , I, 1, Register Q is controlled by three external signals A, B and C through the gates shown in the logic diagram. I = (I3l2|110) is the register inputs and Q = (Q3Q2Q1Q0) is the output (content) of the register. What will be the new value of Q after the clock pulse in the following scenarios: 1) If Q = 1111, I = 1111, A = 1, B = 1, and C = 1 2) If Q = 0001, I = 1000, A = 0, B = 0, and C = 0 3) If Q =1010, I = 0101, A = 0, B = 1, and C = 1 Blank # 1 Blank # 2 Blank # 3
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