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Inputs Ag A2 A Function Table A, - Outputs S2 S, So Operation Comments CLEAR B minus A A minus B A plus B AOB FFF,Fo = 0000 Needs CN = 1 F 1 B3 1 1 B2 B B, 74LS382/ 74HC382 Needs CN = 0 Exclusive-OR OR 1 1 1 1 A+B Bo

Inputs Ag A2 A Function Table A, - Outputs S2 S, So Operation Comments CLEAR B minus A A minus B A plus B AOB FFF,Fo = 0000 Needs CN = 1 F 1 B3 1 1 B2 B B, 74LS382/ 74HC382 Needs CN = 0 Exclusive-OR OR 1 1 1 1 A+B Bo

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Change the select code to 011 and Cn to 0 and repeat question 1 F= OVR = C(N+4) =
Inputs Ag A2 A Function Table A, Outputs S2 S, So Operation Comments CLEAR B minus A A minus B A plus B AOB A+ B АВ PRESET F3F2F,Fo = 0000 Needs CN = 1 1 B3 1 B2 B B, • 74LS382/ 74HC382 1 Needs CN = 0 Exclusive-OR OR AND F3F2F,Fo = 1111 1 1 Bo 1 1 1 1 1 CN CN+4 Notes: S inputs select operation. OVR = 1 for signed-number overflow. S2 s{ S, OVR So ALU A = 4-bit input number B- 4-bit input number CN = carry into LSB position S= 3-bit operation select inputs F = 4-bit output number CN4 - carry out of MSB position OVR = overflow indicator
Transcribed Image Text:Inputs Ag A2 A Function Table A, Outputs S2 S, So Operation Comments CLEAR B minus A A minus B A plus B AOB A+ B АВ PRESET F3F2F,Fo = 0000 Needs CN = 1 1 B3 1 B2 B B, • 74LS382/ 74HC382 1 Needs CN = 0 Exclusive-OR OR AND F3F2F,Fo = 1111 1 1 Bo 1 1 1 1 1 CN CN+4 Notes: S inputs select operation. OVR = 1 for signed-number overflow. S2 s{ S, OVR So ALU A = 4-bit input number B- 4-bit input number CN = carry into LSB position S= 3-bit operation select inputs F = 4-bit output number CN4 - carry out of MSB position OVR = overflow indicator
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