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  2. iPad (9th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(9th_generation)

    The iPad (9th generation) [3] [4] (also referred to as the iPad 10.2-inch) is a tablet computer developed and marketed by Apple as the successor to the eighth-generation iPad. It was announced on September 14, 2021, and released on September 24.

  3. Memory geometry - Wikipedia

    en.wikipedia.org/wiki/Memory_Geometry

    For a 64-bit-wide memory data interface, this equates to having 4 ranks, where each rank can be selected by a 2-bit chip select signal. Memory controllers such as the Intel 945 Chipset list the configurations they support: "256-Mib, 512-Mib, and 1-Gib DDR2 technologies for ×8 and ×16 devices", "four ranks for all DDR2 devices up to 512-Mibit ...

  4. DDR SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR_SDRAM

    There is a common belief that number of module ranks equals number of sides. As above data shows, this is not true. One can also find 2-side/1-rank modules. One can even think of a 1-side/2-rank memory module having 16(18) chips on single side ×8 each, but it is unlikely such a module was ever produced.

  5. Moto G9 - Wikipedia

    en.wikipedia.org/wiki/Moto_G9

    Android 10: Display Size 6.5 inches 6.8 inches Display Resolution HD+ 720 x 1600 pixels (20:9 at 270 ppi) HD+ 720 x 1640 pixels (20.5:9 at 263 ppi) FHD+ 1080 x 2400 pixels (20:9 at 386 ppi) Screen-body ratio 81.6% 83.1% 84.3% Display Technology IPS LCD capacitive touchscreen LTPS IPS LCD capacitive touchscreen Display Cutout Small notch Pinhole

  6. Computer memory - Wikipedia

    en.wikipedia.org/wiki/Computer_memory

    Historical lowest retail price of computer memory and storage Electromechanical memory used in the IBM 602, an early punch multiplying calculator Detail of the back of a section of ENIAC, showing vacuum tubes Williams tube used as memory in the IAS computer c. 1951 8 GB microSDHC card on top of 8 bytes of magnetic-core memory (1 core is 1 bit.)

  7. Comparison of memory cards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_memory_cards

    2 GB [4] Compact (15 mm × 11 mm × 1 mm), DRM, up to 2 GB. [4] (2 GB cards use larger block sizes and may not be compatible with some host devices. See Article) microSD: 2005 2 GB [4] Subcompact (15 mm × 11 mm × 1 mm), DRM, up to 2 GB. [4] (2 GB cards use larger block sizes and may not be compatible with some

  8. Memory timings - Wikipedia

    en.wikipedia.org/wiki/Memory_timings

    For example, DDR3-2000 memory has a 1000 MHz clock frequency, which yields a 1 ns clock cycle. With this 1 ns clock, a CAS latency of 7 gives an absolute CAS latency of 7 ns. Faster DDR3-2666 memory (with a 1333 MHz clock, or 0.75 ns exactly; the 1333 is rounded) may have a larger CAS latency of 9, but at a clock frequency of 1333 MHz the ...

  9. DDR5 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR5_SDRAM

    [9] [10] On November 15, 2018, SK Hynix announced completion of its first DDR5 RAM chip; running at 5.2 GT/s at 1.1 V. [11] In February 2019, SK Hynix announced a 6.4 GT/s chip, the highest speed specified by the preliminary DDR5 standard. [12] The first production DDR5 DRAM chip was officially launched by SK Hynix on October 6, 2020. [13] [14]