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i don't know what is the answer! sorry
head crash
A head crash is a type of hard disk failure that occurs when a read/write head touches the fast spinning disk platters. It is very catastrophic - it can destroy lots of data - even the data needed to start an operating system can be destroyed.
head crash
For one thing there is no physical head to crash into the physical platter and damage it.
The waves of the pacific oceans (all of them) crash upon the shores of the continents it touches; among other little things...like weather.
Hard drives use what is called as the disk platter and a head for storing and reading information respectively. The platter are circular disks which hold data and the head read the data off these platters. The head is floating very close to the platters reading and writing data (using magnetism). sometimes,.the head may touch the platter, taking off the aluminum surface coat which actually stored the data, causing data corruption. Also the head needs to freely float without any jerks or air circulation movements. Thus, the hard drive is sealed internally in a air tight compartment. It also protects the platters from dusk, moisture and smoke. It must be noted that not all hard disks work like this.
rocks and comets are attracted by moons gravity, so they crash
sea of rain
Craters :)
Because you can and you should, unless you want your program to crash if an exception occurs.