They're getting cheaper as time goes on and as they become more common place in society it becomes more important to own one. Homework, work, social networking, and multimedia are just someof the more common ways they can improve productivity or enjoyment.
A fall is a sudden movement caused primarily by gravity.
A wave caused by a sudden shift in the ocean floor is called a tsunami.
Joseph's sudden disappearance was caused by his abduction by unknown individuals.
A spike is a sudden rise in current that then goes back to normal. Usually caused by a sudden increase in voltage that could be caused by a lightening strike, for example.
Matthew's sudden disappearance was caused by an unknown event or circumstance that affected him.
Ireland's Famine was caused mainly by Blight and a sudden increase in Population
A sudden change in weather can be caused by a variety of factors, such as the movement of air masses, the influence of weather fronts, or the occurrence of severe weather phenomena like thunderstorms or tornadoes. Other factors, like topography or proximity to large bodies of water, can also contribute to sudden weather changes.
A sudden burst of power in a computer
It is a glitch or a blackout.
The non-technical term for the sudden failure of a computer is "crashed".
These are known as earthquakes.
It was caused by a sudden movement underground