Do you know what occurs when a key is pressed on a keyboardwhile a software is creating a file on a disc? What do you believeoccurs when a key is pressed on a keyboard? I'm interested as towhether the key is put into the keyboard buffer before or after the fileis created, assuming you are conversant with IRQ levels.

Answered: Do you know what occurs when a key is…

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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Do you know what occurs when a key is pressed on a keyboard
while a software is creating a file on a disc? What do you believe
occurs when a key is pressed on a keyboard? I'm interested as to
whether the key is put into the keyboard buffer before or after the file
is created, assuming you are conversant with IRQ levels.

Expert Solution

Step 1

Given:

Can you guess what happens when you hit a key on the keyboard while a programme is burning a disc Do you know whether the key enters the keyboard buffer before or after the file is generated, given your knowledge of IRQ levels

A hardware interrupt is generated whenever a key on a keyboard is pressed or released.

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