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2. Read-only memory - Wikipedia

   en.wikipedia.org/wiki/Read-only_memory

   ROM and RAM are essential components of a computer, each serving distinct roles. RAM, or Random Access Memory, is a temporary, volatile storage medium that loses data when the system powers down. In contrast, ROM, being non-volatile, preserves its data even after the computer is switched off. [2]

3. Random-access memory - Wikipedia

   en.wikipedia.org/wiki/Random-access_memory

   A portion of the computer's hard drive is set aside for a paging file or a scratch partition, and the combination of physical RAM and the paging file form the system's total memory. (For example, if a computer has 2 GB (1024 3 B) of RAM and a 1 GB page file, the operating system has 3 GB total memory available to it.)

4. Computer memory - Wikipedia

   en.wikipedia.org/wiki/Computer_memory

   It was developed by Frederick W. Viehe and An Wang in the late 1940s, and improved by Jay Forrester and Jan A. Rajchman in the early 1950s, before being commercialized with the Whirlwind I computer in 1953. [8] Magnetic-core memory was the dominant form of memory until the development of MOS semiconductor memory in the 1960s. [9]

5. Non-volatile random-access memory - Wikipedia

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

   Non-volatile random-access memory (NVRAM) is random-access memory that retains data without applied power. This is in contrast to dynamic random-access memory (DRAM) and static random-access memory (SRAM), which both maintain data only for as long as power is applied, or forms of sequential-access memory such as magnetic tape, which cannot be randomly accessed but which retains data ...

6. Static random-access memory - Wikipedia

   en.wikipedia.org/wiki/Static_random-access_memory

   Static random-access memory (static RAM or SRAM) is a type of random-access memory (RAM) that uses latching circuitry (flip-flop) to store each bit. SRAM is volatile memory; data is lost when power is removed. The static qualifier differentiates SRAM from dynamic random-access memory (DRAM):

7. Semiconductor memory - Wikipedia

   en.wikipedia.org/wiki/Semiconductor_memory

   This type is used for the main memory in most computers, since data is stored on the hard disk while the computer is off. Major types are: [7] [8] RAM (Random-access memory) – This has become a generic term for any semiconductor memory that can be written to, as well as read from, in contrast to ROM (below), which can only be

8. RAM drive - Wikipedia

   en.wikipedia.org/wiki/RAM_drive

   RAM drives can access data with only the address, eliminating this latency. Second, the maximum throughput of a RAM drive is limited by the speed of the RAM, the data bus, and the CPU of the computer. Other forms of storage media are further limited by the speed of the storage bus, such as IDE (PATA), SATA, USB or FireWire. Compounding this ...

9. Programmable ROM - Wikipedia

   en.wikipedia.org/wiki/Programmable_ROM

   Another form of one-time programmable memory device uses the same semiconductor chip as an ultraviolet-erasable programmable read-only memory (UV-EPROM), but the finished device is put into an opaque package, instead of the expensive ceramic package with transparent quartz window required for erasing. These devices are programmed with the same ...