Just last week I was browsing through a piece in Fortune 100 and found out about this thing I had never heard of before called skype. The two guys who started up skype are now rich beyond their craziest expectations. In due course they sold their brainwave ebay. If you havent heard of skype then you are probably wondering what I am going on about. A lot of people call it voip which is an acronym for voice over internet protocol. The idea is not new, you basically cam make pho…
USB Flash Drive
USB flash drive or any other flash memory drive is basically an EEPROM that means “Electrically Erasable Programmable Read Only Memory”.
USB flash memory sticks are nothing but an assembly of EEPROM, a controller with a RISC microprocessor, RAM and ROM. All of this interacts with a computer using a USB controller and connector.
Repairing a damaged CD
Why compact discs get damaged. Compact discs are all plastic. Compact discs are even not sensitive to magnetic fields as in case floppy disks, which never used to retain data when even a slight magnetic field is crossed with floppies. Then what is the reason why CDs get corrupted?