Q): For the circuit in Figure. write a sequence of instruction to pollswitch at 16 of 74F244 that is connected to port 7. Include in the solutionthe steps required to get the address for the port 7 before writing polling instruction.0286UN ACK19ALEAD-ADMODENROAD AD-CLK747373A3291lethG747245Data butTareceverbi-drections)DR18AtaAu4DemultiplexingA₂ABC747131Input Output F₁Addrendecoder0,0P₁Decoder0-0-CLK74F374CuputPattDE74F244InputPotBuferLatch or bufferLEDVocVbcInput/output

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Q): For the circuit in Figure. write a sequence of instruction to poll switch at 16 of 74F244 that is connected to port 7. Include in the solution the steps required to get the address for the port 7 before writing polling instruction. 0306 INST WR ALE AD-AD MIO CTR DEN RO AD AD- CLK (21 G Add leth DE Tarecever (bi-directional) DR A 4₂ ₂ A₂ Demultiplexing C 747133 Input Output Addren 0-0 Decoder 0-0- CLK 7AF 374 Cuput Patt Lath DE 74F244 Input Pot Bufer Latch or buffer LED 0. Voc Drug M-KH Voc Input/output

Q): For the circuit in Figure. write a sequence of instruction to poll switch at 16 of 74F244 that is connected to port 7. Include in the solution the steps required to get the address for the port 7 before writing polling instruction. 0306 INST WR ALE AD-AD MIO CTR DEN RO AD AD- CLK (21 G Add leth DE Tarecever (bi-directional) DR A 4₂ ₂ A₂ Demultiplexing C 747133 Input Output Addren 0-0 Decoder 0-0- CLK 7AF 374 Cuput Patt Lath DE 74F244 Input Pot Bufer Latch or buffer LED 0. Voc Drug M-KH Voc Input/output

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

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Question

Q): For the circuit in Figure. write a sequence of instruction to poll
switch at 16 of 74F244 that is connected to port 7. Include in the solution
the steps required to get the address for the port 7 before writing polling instruction.
0286
UN ACK
19
ALE
AD-AD
MO
DEN
RO
AD AD-
CLK
747373
A3291
leth
G
747245
Data but
Tarecever
bi-drections)
DR
18
Ata
Au
4
Demultiplexing
A₂
A
B
C
747131
Input Output F₁
Addren
decoder
0,0
P₁
Decoder
0-0-
CLK
74F374
Cuput
Patt
DE
74F244
Input
Pot
Bufer
Latch or buffer
LED
Voc
Vbc
Input/output

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