What does the following Brookshear machine assembly language code snippet do?MOV 11110000 -> R1AND R1, R2 -> R2Masks the four most significant bits of byte stored in R2Masks the four least significant bits of byte stored in R2Adds the contents of R1 and R2 and stores the result in R2Stores 11110000 in R2 Which of the following bit patterns (represented in hexadecimal notation) represents a negativenumber in two's complement notation7FBA855OO

Answered: Which of the following bit patterns…

Which of the following bit patterns (represented in hexadecimal notation) represents a negative number in two's complement notation 7F B A8 55 OOOO

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

What does the following Brookshear machine assembly language code snippet do?
MOV 11110000 -> R1
AND R1, R2 -> R2
Masks the four most significant bits of byte stored in R2
Masks the four least significant bits of byte stored in R2
Adds the contents of R1 and R2 and stores the result in R2
Stores 11110000 in R2

Which of the following bit patterns (represented in hexadecimal notation) represents a negative
number in two's complement notation
7F
B
A8
55
OO

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