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  2. DDR2 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR2_SDRAM

    The notch on DDR2 DIMMs is in a different position from DDR DIMMs, and the pin density is higher than DDR DIMMs in desktops. DDR2 is a 240-pin module, DDR is a 184-pin module. Notebooks have 200-pin SO-DIMMs for DDR and DDR2; however, the notch on DDR2 modules is in a slightly different position than on DDR modules.

  3. iPhone 4s - Wikipedia

    en.wikipedia.org/wiki/IPhone_4S

    The iPhone 4s has 512 MB of DDR2 RAM. [3] ... 62 millimetres (2.4 in) wide, and 12 millimetres (0.47 in) deep; making the iPhone 4 and 4s 21.5% thinner than the 3GS.

  4. List of iPhone models - Wikipedia

    en.wikipedia.org/wiki/List_of_iPhone_models

    The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone industry with its multi-touch interface and lack of physical keyboard.

  5. iPhone hardware - Wikipedia

    en.wikipedia.org/wiki/IPhone_hardware

    The top and side of an iPhone 5S, externally identical to the SE (2016).From left to right, sides: wake/sleep button, silence switch, volume up, and volume down. The touchscreen on the iPhone has increased in size several times over the years, from 3.5 inches on the original iPhone to iPhone 4S, to the current 6.1 and 6.7 inches on the iPhone 14 and 14 Pro series. [1]

  6. 10 Old Tech Gadgets Worth a Pretty Penny Today

    www.aol.com/finance/10-old-tech-gadgets-worth...

    Apple’s inaugural iPhone (yuck, is that a home button?!) revolutionized the smartphone industry by introducing new features like a touchscreen, camera, and internet access.

  7. DDR SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR_SDRAM

    DDR's prefetch buffer depth is 2 (bits), while DDR2 uses 4. Although the effective clock rates of DDR2 are higher than DDR, the overall performance was not greater in the early implementations, primarily due to the high latencies of the first DDR2 modules.

  8. Memory geometry - Wikipedia

    en.wikipedia.org/wiki/Memory_Geometry

    Top L-R, DDR2 DIMM with heat-spreader, DDR2 DIMM without heat-spreader, SO-DIMM DDR2, DDR, SO-DIMM DDR. Memory geometry describes the logical configuration of a RAM module, but consumers will always find it easiest to grasp the physical configuration.

  9. 20 of the best Walmart sales of the week: Apple iPhone ... - AOL

    www.aol.com/lifestyle/the-best-walmart-sales-of...

    From a $100 electric snow shovel to an iPhone 13 for under $250, keep scrolling for even more of the best sales at Walmart this week. ... Use it to clear snow paths up to 13 inches wide and 6.5 ...