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.
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.
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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Transcribed Image Text: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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