When no key is pressed the input port (Port B) will read
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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![QUESTION 28
When no key is pressed the input port (Port B) will read
Port A (output)
DO
D1
A B,
D2
E E.
D3
Vcc
D3 D2 D1 DO
Port B (input)
4567
O 1111 B
Cannot tell.
0000 B
A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F353b3685-378c-4593-acd7-9ed90ca271c9%2F46467c90-632f-4ddf-abaf-93bb1c76388c%2F6ibt3kq_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 28
When no key is pressed the input port (Port B) will read
Port A (output)
DO
D1
A B,
D2
E E.
D3
Vcc
D3 D2 D1 DO
Port B (input)
4567
O 1111 B
Cannot tell.
0000 B
A
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