Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Bartleby Related Questions Icon

Related questions

bartleby

Concept explainers

Question

In the diagram below, the chip on the right hand side, the 74HCT138, is provided with address information from the microprocessor and then activates one of its output lines to select a memory bank.  The 74HCT138 is

 

A multiplexer
A demultiplexer
An encoder
A decoder
A comparator
74HCT
Memory bank 0
RD
RD -
138
E3
Memory bank 1
WR
WR O
Memory bank 2
IO/M
q E2
Memory bank 3
A15
4 b
Memory bank 4
8085A
microprocessor
A14
A2
Memory bank 5
A13
A1
Memory bank 6-
Address
lines
A12
Ao
Memory bank 7
A11
То
memory
ICs
Ao
expand button
Transcribed Image Text:74HCT Memory bank 0 RD RD - 138 E3 Memory bank 1 WR WR O Memory bank 2 IO/M q E2 Memory bank 3 A15 4 b Memory bank 4 8085A microprocessor A14 A2 Memory bank 5 A13 A1 Memory bank 6- Address lines A12 Ao Memory bank 7 A11 То memory ICs Ao
Expert Solution
Check Mark
Knowledge Booster
Background pattern image
Computer Science
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.
Recommended textbooks for you
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education