Answered: PC7 of 8255 should be set in BSR mode,…

PC7 of 8255 should be set in BSR mode, then the command word should be _____. a. can be 0Fh or 7Fh b. 8Fh c. 0Fh d. 7Fh e. can be 8Fh or 81h f. 81h

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

If PC7 of 8255 should be set in BSR mode, then the command word should be _____.

can be 0Fh or 7Fh

8Fh

0Fh

7Fh

can be 8Fh or 81h

81h

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