What are the relevent details of a trap? Users with special logins that have administrator privilege are not subject to traps for restricted operations. The trap is often an instruction that helps move from user-mode to kernel-mode by raising the privilege level to execute privileged operations. Upon returning, the privileges are reduced to their original level. Privilege separation is only one step in the process of trying to make operating systems secure. There exists a table that defines locations to go to for each of the defined traps.

A trap in a computer is a synchronous interrupt that is triggered by some user process to run some…

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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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What are the relevent details of a trap?

		Users with special logins that have administrator privilege are not subject to traps for restricted operations.
		The trap is often an instruction that helps move from user-mode to kernel-mode by raising the privilege level to execute privileged operations. Upon returning, the privileges are reduced to their original level.
		Privilege separation is only one step in the process of trying to make operating systems secure.
		There exists a table that defines locations to go to for each of the defined traps.

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