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  2. Wear leveling - Wikipedia

    en.wikipedia.org/wiki/Wear_leveling

    In this way, no single erase block prematurely fails due to a high concentration of write cycles. [5] In flash memory, a single block on the chip is designed for longer life than the others so that the memory controller can store operational data with less chance of its corruption. [6] [7]

  3. Write amplification - Wikipedia

    en.wikipedia.org/wiki/Write_amplification

    [33] [34] Many tools use the ATA Secure Erase command to reset the drive and provide a user interface as well. One free tool that is commonly referenced in the industry is called HDDerase. [34] [35] GParted and Ubuntu live CDs provide a bootable Linux system of disk utilities including secure erase. [36]

  4. Data erasure - Wikipedia

    en.wikipedia.org/wiki/Data_erasure

    [24] It recommends cryptographic erase as a more general mechanism. According to the University of California, San Diego Center for Magnetic Recording Research's (now its Center for Memory and Recording Research) "Tutorial on Disk Drive Data Sanitization" (p. 8): "Secure erase does a single on-track erasure of the data on the disk drive. The U ...

  5. Trim (computing) - Wikipedia

    en.wikipedia.org/wiki/Trim_(computing)

    Since an erase of the cells in the page is needed before it can be written to again, but only entire blocks can be erased, an overwrite will initiate a read-erase-modify-write cycle: [7] [12] the contents of the entire block are stored in cache, then the entire block is erased from the SSD, then the overwritten page(s) is written into the ...

  6. RAM drive - Wikipedia

    en.wikipedia.org/wiki/RAM_drive

    A RAM drive innovation introduced in 1986 but made generally available in 1987 [3] [4] by Perry Kivolowitz for AmigaOS was the ability of the RAM drive to survive most crashes and reboots. Called the ASDG Recoverable Ram Disk, the device survived reboots by allocating memory dynamically in the reverse order of default memory allocation (a ...

  7. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Memory refresh - Wikipedia

    en.wikipedia.org/wiki/Memory_refresh

    Pseudostatic RAM (PSRAM or PSDRAM) is dynamic RAM with built-in refresh and address-control circuitry to make it behave similarly to SRAM. It combines the high density of DRAM with the ease of use of true SRAM. PSRAM (made by Numonyx) is used in the Apple iPhone and other embedded systems. [17] Some DRAM components have a self-refresh standby mode.

  9. Issues relating to iOS - Wikipedia

    en.wikipedia.org/wiki/Issues_relating_to_iOS

    The iOS mobile operating system developed by Apple has had a wide range of bugs and security issues discovered throughout its lifespan, including security exploits discovered in most versions of the operating system related to the practice of jailbreaking (to remove Apple's software restrictions), bypassing the user's lock screen (known as lock screen bypasses), issues relating to battery ...