a) Draw the logic diagram of a three-bit shift register with three D flip-flops and three 4x1 multiplexers with node selection inputs S1 and Sa The register operates according to the following function table. Register Operation No Change Shift Right Complement Flip-Flop outputs Parallel Load S1 So 1 1

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Q5.
(a) Draw the logic diagram of a three-bit shift register with three D flip-flops and three 4x1 multiplexers with
mode selection inputs Sı and So. The register operates according to the following function table.
Register Operation
No Change
Shift Right
Complement Flip-Flop outputs
Parallel Load
S1
So
1
1
1
1
(b) The following three-bit input IIılo = 101 is applied to the shift register in (a). Show the changes in flip-
flop outputs using a table if the values of mode selection inputs are changed in the following sequence: 11, 10,
00, Q1.
T Flip-Flop Excitation Table
Q(t+1)
JK Flip-Flop Characteristic Table
Q(t+1)
Q(t)
J
K
Q(t)
T
1
1
1.
1.
1
1.
1
1
Q'(t)
1
1
Transcribed Image Text:Q5. (a) Draw the logic diagram of a three-bit shift register with three D flip-flops and three 4x1 multiplexers with mode selection inputs Sı and So. The register operates according to the following function table. Register Operation No Change Shift Right Complement Flip-Flop outputs Parallel Load S1 So 1 1 1 1 (b) The following three-bit input IIılo = 101 is applied to the shift register in (a). Show the changes in flip- flop outputs using a table if the values of mode selection inputs are changed in the following sequence: 11, 10, 00, Q1. T Flip-Flop Excitation Table Q(t+1) JK Flip-Flop Characteristic Table Q(t+1) Q(t) J K Q(t) T 1 1 1. 1. 1 1. 1 1 Q'(t) 1 1
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