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  2. Computer memory - Wikipedia

    en.wikipedia.org/wiki/Computer_memory

    A typical goal when using a semi-volatile memory is to provide the high performance and durability associated with volatile memories while providing some benefits of non-volatile memory. For example, some non-volatile memory types experience wear when written. A worn cell has increased volatility but otherwise continues to work. Data locations ...

  3. Non-volatile random-access memory - Wikipedia

    en.wikipedia.org/wiki/Non-volatile_random-access...

    Today dynamic RAM forms the vast majority of a typical computer's main memory. Many systems require at least some non-volatile memory. Desktop computers require permanent storage of the instructions required to load the operating system. Embedded systems, such as an engine control computer for a car, must retain their instructions when power is ...

  4. Random-access memory - Wikipedia

    en.wikipedia.org/wiki/Random-access_memory

    The memory cell is the fundamental building block of computer memory. The memory cell is an electronic circuit that stores one bit of binary information and it must be set to store a logic 1 (high voltage level) and reset to store a logic 0 (low voltage level). Its value is maintained/stored until it is changed by the set/reset process.

  5. Non-volatile memory - Wikipedia

    en.wikipedia.org/wiki/Non-volatile_memory

    Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retain stored information even after power is removed. In contrast, volatile memory needs constant power in order to retain data.

  6. Dynamic random-access memory - Wikipedia

    en.wikipedia.org/wiki/Dynamic_random-access_memory

    In 1985, when 64K DRAM memory chips were the most common memory chips used in computers, and when more than 60 percent of those chips were produced by Japanese companies, semiconductor makers in the United States accused Japanese companies of export dumping for the purpose of driving makers in the United States out of the commodity memory chip ...

  7. Semiconductor memory - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_memory

    To increase data rate, in some of the latest types of memory chips such as DDR SDRAM multiple words are accessed with each read or write operation. In addition to standalone memory chips, blocks of semiconductor memory are integral parts of many computer and data processing integrated circuits.