Draw the diagram of a 4 bit register with four d flip flops and four 4x1 mutiplexers with mode selection inputs s1 and so the register operates according to the following function table:.
S1
|
S0
|
Register Operation
|
0
|
0
|
No Change
|
0
|
1
|
Complement the four outputs
|
1
|
0
|
Clear registor to 0 (synchronous with the clock)
|
1
|
1
|
Load parallel data
|