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Can a magnet erase information from memory sticks and computers?
A magnet can only change information that is stored magnetically and if the magnet's magnetic field is strong enough. Memory sticks do not store information magnetically, they use Flash memory which stores information electrostatically. So no, a magnet can not erase information on a memory stick. Computers usually use hard disks which do store information magnetically, so in principle a magnet could erase information from a hard disk. However the magnet would have to be very strong (much stronger than is likely to be available at home) and held very close to the hard disk (probably be inside the computer case or even inside the hard disk case itself) to be able to to erase the information. Computers before the 1970s usually used magnetic core memory instead of DRAM as their main memory. While this stored information magnetically, the construction of the cores as rings made it impossible for any magnet to change the information: the 1 and 0 were opposite directions of magnetization around the ring shaped cores, while an external magnetic field is "linear" not "circular" and thus can't change the state of a core.
How many inches is a pencil eraser?
A standard pencil eraser is typically around 1/4 inch in diameter.
Who invented dry erase markers?
Jerry Woolf, a chemist in the 1970s, is credited with inventing the dry erase marker. Woolf noticed that a marker he was using was dry and left a mark on a glossy surface, which led to the development of the dry erase marker.
Does magnetism erase iron filings from toys?
yes
What do you use to write on transparency?
You can use permanent markers or wet-erase markers to write on transparencies. Avoid using dry-erase markers as they can easily smudge or rub off.
Under normal circumstances you can't erase or add any information to?
Under normal circumstances, you can't erase or add any information to a?
Can a pencil marking erase more than a color pencil?
if you have a good eraser yes. a good eraser will erase a lot of the colored pencil, but it will erase all of the normal pencil. it also depends on how dark the mark is.
Can you still get normal Xbox live?
yes you have to erase all updates on the xbox to do so though
How do you turn on i Pod touch when you erase settings?
You hit the "on" button (the one on top) or the home button. You can't erase the settings. You are just erasing the information.
Could you erase or add any information to a hard disk?
Yes, of course!
Why can't normal erasers erase ink?
Because the ink absorbs deeper into the paper than pencil does.
If someone is convicted of shoplifting when 17 will it erase when they turn 18 Or will it ever erase?
It is not so much that it will erase, it will be sealed. So if someone would do a background check on you this charge will not show on your records. These things can't be held against you as an adult. If you commit a major criminal offense (most times a felony), in certain circumstances, it can be unsealed.
How do you protect your information when disposing a laptop computer?
Erase the information from the hard disk. Once may not be enough, because simple deletion of files does not erase the information. Re-formatting the disk is another possibility. You can also get commercial software that will totally wipe files and data from a system.
What do you always keep away from computers and floppy disks because they can erase information?
magnets
How is information maintained in memory?
if you are talking about ram then all information get lost when you turn off computer. in case of rom, the information is permanent until we erase it forcefully..
How do you completely erase the information on your hard drive?
To completely erase the information on your hard drive, you can try a third-party tool like iReaShare Data Wipe, which can completely erase your files, folders, hard drives, and external devices on a PC.
How do you erase uploaded pictures from warnings at Waverly academy?
...Click the delete button under the picture...
