The follo Detect if sum > 9 carry-out 6 X Y 4-bit adder Z X3 X₂ X1 Xo 73 Y3 92 Y Yo Four-bit adder 22 " Fo ²1

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

Please help me 

The following are two implementations of a one-digit BCD adder:
Y
Detect if
sum > 9
carry-out
Adjust
Cout
6
MUX
0
X
4-bit adder
4-bit adder
Z
0
Cin
Cout
X3 X₂ X1 Xo
Y3 Y2 Y1 Yo
Four-bit adder
Two-bit adder
Fo
S₂ S1 $0
CIK
Transcribed Image Text:The following are two implementations of a one-digit BCD adder: Y Detect if sum > 9 carry-out Adjust Cout 6 MUX 0 X 4-bit adder 4-bit adder Z 0 Cin Cout X3 X₂ X1 Xo Y3 Y2 Y1 Yo Four-bit adder Two-bit adder Fo S₂ S1 $0 CIK
1) Explain the operation of the multiplexer in the left implementation?
2) What is the purpose of the AND and OR gates in the right implementation?
3) Which of the two implementations is more efficient, and why?
4) In the above VHDL code, what is the purpose of the syntax (¹0' &x)?
Transcribed Image Text:1) Explain the operation of the multiplexer in the left implementation? 2) What is the purpose of the AND and OR gates in the right implementation? 3) Which of the two implementations is more efficient, and why? 4) In the above VHDL code, what is the purpose of the syntax (¹0' &x)?
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Binary numbers
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education