COMPUTER FUNDAMENTALS

COMPUTER SOFTWARE

OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is NOT an example of interrupt
A
Power-fail interrupt
B
Clock interrupt
C
An I/O device sends a signal requesting service
D
desktop wallpaper changed
Explanation: 

Detailed explanation-1: -A wallpaper or background (also known as a desktop background, desktop picture or desktop image on computers) is a digital image (photo, drawing etc.) used as a decorative background of a graphical user interface on the screen of a computer, smartphone or other electronic device.

Detailed explanation-2: -Wallpaper is static while screensaver is animated. • Wallpaper is background picture when you have not opened any file, while screensaver is the graphic that becomes visible when the computer has been left untouched for some time. • Wallpaper is a single image while screensaver contains lots of images.

There is 1 question to complete.