Deleting from HDD v Solid State - same?
Is it really true on phones etc that deleting only re-allocates that space, like conputer HDD's. I understand hard disks have space physically written on or over with a laser.
This has been mentioned a few times in forums.
Which brings me to my real curiosity.
I understood basically how computer hdd's and rw cd's worked.
I can't figure though how my 2 year old Panasonic twin digital tuner (Freeview / free to air) with a 320 gb hard drive does it's magic tricks.
Most people will have had similar.
It never asks to be defragmented or formatted (though it can be formatted).
It can record 2 channels simultaneously and either buffer/90 minute rewind a live channel, or play back something while still recording 2, I think!
If I delete certain recordings made at different times so presumably physically on different parts of the discs (roughly 80 hour HD/SD capacity) but I still have still only say 5 hours left, will it split a new recording between different areas of the discs - and wouldn't it need 3 lasers to record 2 and playback one.
Anyone? Before the cat gets killed.
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