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64 GB Subcompact (15 mm × 12.5 mm × 1.6 mm [6]), compulsory DRM, up to 64 GB, proprietary (can be used on PS Vita only) P2 (storage media) Panasonic MicroP2: 2012 64 GB MicroP2 is a SDXC/SDHC card conforming to UHS-II (Ultra High Speed bus), and can be read by common SDHC/SDXC card readers. xD: Olympus, Fujifilm, Sony Standard 2002-2007 512 MB
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both use the same cell design, consisting of floating gate MOSFETs.
Secure Digital Standard Capacity (SD) logo. The specification defines cards with a capacity of up to 2 GB. The second-generation Secure Digital (SDSC or Secure Digital Standard Capacity) card was developed to improve on the MultiMediaCard (MMC) standard, which continued to evolve, but in a different direction.
The gigabyte ( / ˈɡɪɡəbaɪt, ˈdʒɪɡəbaɪt /) [ 1] is a multiple of the unit byte for digital information. The prefix giga means 10 9 in the International System of Units (SI). Therefore, one gigabyte is one billion bytes. The unit symbol for the gigabyte is GB . This definition is used in all contexts of science (especially data ...
The megabyte is a multiple of the unit byte for digital information. Its recommended unit symbol is MB. The unit prefix mega is a multiplier of 1 000 000 (10 6) in the International System of Units (SI). [ 1] Therefore, one megabyte is one million bytes of information. This definition has been incorporated into the International System of ...
A 64-bit word can be expressed as a sequence of 16 hexadecimal digits. In computer architecture, 64-bit integers, memory addresses, or other data units [ a] are those that are 64 bits wide. Also, 64-bit central processing units (CPU) and arithmetic logic units (ALU) are those that are based on processor registers, address buses, or data buses ...
Conventional memory. In DOS memory management, conventional memory, also called base memory, is the first 640 kilobytes of the memory on IBM PC or compatible systems. It is the read-write memory directly addressable by the processor for use by the operating system and application programs. As memory prices rapidly declined, this design decision ...
These cards were faster than their flash counterparts. Some of the first PCMCIA cards had capacities of 1 to 5 MB and cost US$100 per MB. [18] Other early cards such as the Bee Card contained non-modifiable ROM, Write once read many EPROM or rewriteable EEPROM memory. [19]